12-Letter Words With The Most Vowels List

Dive into the world of 12-letter words, where vowels and consonants intertwine to create an eloquent tapestry of expression. From the geological “igneoaqueous” to the captivating “cetiosaurian,” this collection unveils the charm of linguistic diversity, showcasing the power of words to encapsulate complex meanings.

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12-Letter Words With 8 Vowels

igneoaqueous
aqueoigneous

12-Letter Words With 7 Vowels

nautiloidean
amelioration
cetiosaurian
reevaluation
lepidosauria
cautionaries
eosinophilia
unideational
radioisotope
prosopopoeia
outmanoeuvre
onomatopoeic
equalization
equalisation
aetiological
unionization
inauguration
inadequacies
endotoxaemia
pliosauridae
inequalities
aeronautical
diatomaceous

12-Letter Words With 6 Vowels

epitrachelia
idiomorphous
inadulterate
episternalia
indefinitude
epiceratodus
indigoferous
entoparasite
entomologise
humeroradial
heterization
exhibitioner
exorcisation
exspoliation
excoriations
femorocaudal
femorotibial
fibroneuroma
foundationer
gonidiferous
entomologies
heretication
fibroangioma
exacervation
etherization
manoeuvering
inobtainable
inoperculata
nebulisation
nesosilicate
nonanimation
nonbilabiate
nonmediation
nonmediative
notabilities
oligonephria
oligophrenia
oophoridiums
orbitelarian
outreasoning
palification
paradisaical
unmanageable
nacionalista
mniotiltidae
inosculation
intersituate
involutional
iodochloride
iridectomies
iridectomise
irrationable
itemizations
laterocaudal
latitudinous
manoeuvreing
manueverable
melanorrhoea
misquotation
perfoliation
specialities
urbanization
vaporization
vasodilation
verification
veterinarian
vilification
visibilities
vocabularies
acidophilous
acutenaculum
adenofibroma
adenosarcoma
altitudinous
amenorrhoeal
angiofibroma
urbanisation
unreasonable
unquestioned
subcutaneous
subsidiaries
teleological
totalitarian
unaffiliated
unapologetic
unassailable
unattainable
unauthorised
unauthorized
unbelievable
unfavourable
unidentified
unimaginable
universities
anitrogenous
annomination
anticreation
choleromania
coalitionist
corelational
cornucopiate
counterideal
deinsularize
denizenation
denominative
despoliation
detonational
deuteranopic
dichotriaene
dipteraceous
domification
emigrational
chloroiodide
chloroanemia
chlorioninae
anticreative
antimosquito
antiprotease
antireaction
antireactive
aphidicolous
basidiophore
biosociology
bitonalities
cacodaemonic
cacodemoniac
canalisation
caudofemoral
caudolateral
cetorhinidae
endenization
underachieve
supercilious
quadriplegia
quantisation
quinquennial
quinquennium
ramification
recapitulate
recuperative
seronegative
situationist
ostentatious
paraeducator
patrilineage
pertinacious
incapacitate
superannuate
stationhouse
telemedicine
uxoriousness
absquatulate
adventitious
anaesthetise
angiosarcoma
antediluvian
antineutrino
argillaceous
autoantibody
capercaillie
caravanserai
clairaudient
claudication
coelenterate
taramasalata
incommodious
irredeemable
ketoacidosis
disorientate
disquisition
echolocation
epithalamium
felicitation
galactosemia
gladiatorial
grotesquerie
heteronomous
heterosexual
hexafluoride
homodiegetic
housebreaker
housebuilder
housepainter
disassociate
disaffiliate
depoliticize
lollapalooza
marseillaise
matrilineage
meretricious
mesoamerican
metalanguage
metamaterial
methaqualone
misdemeanour
multifarious
neurasthenia
neuropeptide
nonagenarian
octogenarian
decalcomania
counterpoise
vituperative
perichaetial
rhinocoelian
rubification
sarcoadenoma
sectionalise
semitization
siderophobia
spirochaetae
sublineation
tenuistriate
tibiofemoral
unaccumulate
uncoagulated
ungeuntarium
unguentarium
unretaliated
revification
resupination
reinoculated
peridiastole
plaisanterie
pontificalia
precautional
predeication
preeducation
prefoliation
radiohumeral
recatalogued
recoagulated
redeposition
rederivation
reexcavation
reexhibition
refoundation
unseignioral
unseignorial
unserialized
behaviourism
rationalizes
fibroadenoma
depilatories
abolitionism
apothecaries
theoretician
derivational
ameliorating
denotational
maneuverable
inoculations
misbehaviour
warehouseman
vainglorious
neurofibroma
reoccupation
renumeration
unvolitional
uranospinite
urbification
variocoupler
variocuopler
vaticination
veratroidine
visitational
vitalisation
xenoparasite
retaliations
uncatalogued
paradisiacal
expositional
mediocrities
visuospatial
solicitation
delamination
dinucleotide
disabilities
disagreeable
disingenuous
disobedience
disqualified
dissociation
dissociative
doubleheader
efficiencies
ejaculations
elasticities
eliminations
emancipation
embolization
endeavouring
dimerization
digitization
deliberation
deliberative
delimitation
demodulation
denaturation
denomination
denunciation
depositional
depositories
depreciation
deregulation
desalination
deteriorated
deteriorates
dictionaries
digitisation
endonuclease
enumerations
fluoridation
fluorouracil
foraminifera
foundational
fountainhead
gasification
genealogical
generalities
generational
geopolitical
geopotential
guaranteeing
habilitation
heterogenous
heterologous
homoeopathic
finalization
feminization
eosinophilic
epidemiology
episcopalian
equivalences
evolutionary
evolutionist
exacerbation
exaggeration
examinations
exasperation
executioners
exhilaration
experiential
exploitation
exploitative
facilitation
housekeepers
abbreviation
alstroemeria
amalgamation
amortization
angiogenesis
annihilation
annunciation
anticipation
antimalarial
appreciation
appreciative
aristotelian
articulation
assimilation
associations
audiologists
augmentation
alliteration
alimentation
abolitionist
abominations
academicians
acceleration
accumulation
accumulative
acetonitrile
acquaintance
acquiescence
acquisitions
adjudication
adjudicative
adulteration
advantageous
affectionate
affiliations
augmentative
australasian
colonisation
colonization
conciliation
continuation
cooperations
cooperatives
coordination
courageously
craniofacial
deactivation
decapitation
deceleration
deficiencies
definitional
degeneration
degenerative
cohabitation
cogeneration
authenticate
autoimmunity
autonomously
availability
azathioprine
billionaires
borosilicate
bureaucratic
capabilities
capitulation
carbonaceous
cementitious
civilisation
civilization
codification
coffeehouses
dehumidifier
obliteration
pediatrician
percutaneous
peroxidation
perpetuation
polarisation
polarization
potentiation
preoperative
prequalified
prerequisite
purification
quantifiable
quantitation
quantitative
quantization
questionable
peacekeeping
peacekeepers
occupational
oppositional
optimization
organisation
organization
orientations
orienteering
ossification
osteogenesis
osteoporosis
osteosarcoma
outrageously
overestimate
overexposure
palaeolithic
parsimonious
radiological
radionuclide
repatriation
repositioned
repositories
requisitions
restaurateur
restauration
revalidation
revegetation
ribonuclease
romanization
semidefinite
serializable
seropositive
similarities
simultaneous
sociobiology
renunciation
renegotiated
ratification
rationalized
reactivation
realizations
reallocation
reappearance
recreational
recuperation
redefinition
regeneration
regenerative
regularities
rehabilitate
reinvigorate
rejuvenation
remuneration
sociological
housekeeping
intermediate
interviewees
intimidation
intoxication
intrauterine
invalidation
invitational
isolationism
isolationist
kaleidoscope
laboratories
legalization
legionnaires
legitimation
liquefaction
liquidations
insemination
insecurities
humanitarian
identifiable
illegitimate
illumination
imaginations
immeasurable
immunisation
immunization
inaccuracies
inactivation
inadequately
inarticulate
incineration
indianapolis
inexperience
initializing
localisation
localization
modification
monetization
motivational
mountaineers
mountainside
multivariate
nationalized
navigational
negotiations
neuroanatomy
neurobiology
neurogenesis
neurological
neuroscience
neurosurgeon
nicotinamide
mobilization
mobilisation
mademoiselle
maintainable
manipulation
manipulative
materialized
materializes
maximization
memorization
mesopotamian
mesothelioma
millionaires
miniaturized
minimisation
minimization
misericordia
missionaries
notification

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