12 letters
- imperviously26
- impoverished25
- impoverisher24
- impoverishes24
- impressively25
- improvements26
- improvidence27
- improvisator22
- imputatively26
- inactivating23
- inactivation21
- inactivities20
- inadvertence22
- inadvertency24
- incentivized31
- incentivizes30
- inchoatively25
- incisiveness21
- incivilities21
- inconclusive26
- inconvenient23
- incurvations22
- incurvatures22
- indecisively24
- indicatively24
- individually24
- individuated21
- individuates20
- indivisibles22
- inequivalved33
- inexpressive27
- infiltrative21
- infinitively24
- innervations19
- innovational20
- innovatively25
- inobservance24
- insectivores20
- insolvencies22
- intellective22
- interconvert21
- interdictive21
- interfluvial23
- interinvolve23
- interleaving21
- interpluvial23
- interpretive20
- interruptive21
- interservice20
- intervalleys21
- intervention19
- interviewees20
- interviewers20
- interviewing23
- intervillage21
- intervisible21
- intervocalic24
- interweaving23
- intransitive18
- intravitally21
- introversion18
- introversive21
- introverting20
- invaginating23
- invagination21
- invalidating22
- invalidation20
- invalidators19
- invalidities19
- invasiveness22
- inveiglement24
- inventorying23
- inventresses18
- invertebrate20
- investigated20
- investigates19
- investigator19
- investitures18
- inveteracies20
- inveterately20
- invigilating23
- invigilation21
- invigilators20
- invigorating22
- invigoration20
- invigorators19
- invisibility23
- invitational19
- invitatories17
- invocational22
- involutional21
- involvements26
- invulnerable24
- invulnerably26
- irrelatively20
- irrelevances21
- irrelevantly21
- irresolvable21
- irrespective22
- irresponsive20
- irreverences20
- irreverently20
- irreversible20
- irreversibly22
- juvenescence34
- juvenilities28
- lasciviously24
- lavishnesses20
- legislatives20
- lentiviruses19
- levitational19
- levorotatory19
- livabilities21
- livelinesses19
- liverishness20
- livetrapping26
- livingnesses21
- lixiviations25
- lovabilities21
- lovelessness19
- lovelinesses19
- lovelornness20
- lovesickness25
- lovingnesses21
- maidservants21
- maladjustive31
- malevolences25
- malevolently25
- malversation21
- maneuverable25
- manipulative25
- margraviates21
- medievalisms24
- medievalists21
- meditatively23
- megavitamins25
- mendeleviums26
- microgravity26
- microgrooves24
- microvillous25
- microwavable29
- misadventure22
- misbehaviors24
- misbelievers23
- misbelieving26
- misconceived27
- misconceiver26
- misconceives26
- misdeveloped25
- misdivisions21
- misevaluated22
- misevaluates21
- misgoverning25
- misperceived26
- misperceives25
- motivational21
- motivelessly23
- movabilities23
- movelessness21
- moviemakings29
- multileveled24
- multiservice24
- multivalence26
- multivalents23
- multivariate21
- multiversity23
- multivitamin25
- multivoltine23
- nativenesses18
- navigability25
- navigational21
- negativeness20
- negativistic22
- negativities19
- nevertheless20
- nonactivated22
- nonaddictive23
- nonassertive18
- nonbelievers22
- noncognitive24
- noncombative27
- noncorrosive21
- noncoverages23
- noncrossover21
- nondeceptive25
- nondeductive24
- nondirective22
- noneffective27
- nonelectives22
- nonevidences23
- nonexclusive30
- nonexecutive29
- nonexplosive29
- nonfrivolous23
- nonimitative21
- noninductive24
- noninfective25
- nonintrusive20
- nonintuitive20
- nonnarrative19