12 letters
- fictionalize29
- fictionizing31
- fictitiously22
- fluctuations22
- fluidextract28
- fractionally23
- fractionated20
- fractionates19
- fractionator19
- frictionally23
- frictionless20
- functionally25
- functionless22
- galactorrhea20
- galactosemia21
- galactosemic24
- galactosides19
- genuflecting26
- genuflection24
- gingivectomy29
- hectographed25
- hyperactives26
- hypercorrect25
- hyperreactor22
- hysterectomy24
- imperfection25
- imperfective28
- inactivating23
- inactivation21
- inactivities20
- indefectible24
- indefectibly26
- indirections18
- indirectness18
- indistinctly21
- indoctrinate18
- inexactitude25
- infectiously23
- inflectional22
- insecticidal21
- insecticides20
- insectivores20
- inspectorate19
- instructions18
- instructress17
- insurrection18
- intactnesses17
- intellection19
- intellective22
- intellectual20
- interactants17
- interactions17
- interconnect21
- interdicting20
- interdiction18
- interdictive21
- interdictors17
- interdictory19
- interjecting28
- interjection26
- interjectors25
- interjectory27
- intersecting19
- intersection17
- introduction19
- introductory20
- introjecting28
- introjection26
- introspected20
- irrespective22
- jactitations25
- jurisdiction27
- lactalbumins25
- lactobacilli24
- laryngectomy26
- lectionaries17
- lectureships22
- liposuctions21
- liquefaction30
- lumpectomies26
- maledictions21
- malefactions23
- malfunctions25
- malpractices25
- manufactured25
- manufacturer24
- manufactures24
- mastectomies21
- megaprojects32
- metafictions22
- metagalactic24
- microinjects31
- micturitions20
- misconducted25
- misconnected24
- misdirecting22
- misdirection20
- misfunctions24
- multipicture24
- multiproduct25
- mycobacteria26
- neglectfully27
- noctambulist24
- nonabstracts20
- nonactivated22
- nonaddictive23
- nonarchitect22
- nonbacterial21
- noncharacter22
- noncollector22
- nonconductor23
- nondeductive24
- nondirective22
- noneffective27
- nonelections19
- nonelectives22
- nonelectrics21
- nonfictional22
- noninductive24
- noninfective25
- nonobjective33
- nonpractical24
- nonsectarian18
- nonselective22
- objectifying35
- objectivisms34
- objectivists31
- obstructions20
- obstructives23
- octahedrally22
- octapeptides22
- octogenarian19
- octosyllabic25
- octosyllable23
- olfactometer22
- oophorectomy25
- overabstract22
- overactivity25
- overcorrects22
- overdirected21
- overprotects22
- overreacting22
- overreaction20
- paratactical22
- pectinaceous23
- pectinations20
- perfectively28
- perfectivity27
- perspectival26
- perspectives25
- petrifaction22
- phonotactics24
- photoproduct25
- phylacteries23
- phyllotactic27
- pictographic28
- pictorialism22
- pictorialist19
- pictorialize28
- picturephone25
- pinealectomy25
- postdoctoral20
- postelection20
- postfracture22
- practicality24
- practitioner19
- predictively26
- predilection21
- preelections20
- preinduction22
- preselecting22
- preselection20
- prestructure20
- proctodaeums23
- proctologies21
- proctologist21
- proctorships23
- productional22
- productively27
- productivity26
- projectional29
- projectively34
- prophylactic29
- prospectuses22
- protactinium23
- protectively25
- protectorate18
- protectories18
- protractions19
- psychoactive29
- pterodactyls22
- punctuations22
- putrefaction23
- putrefactive26
- pyroelectric24
- rambunctious24
- rarefactions19
- reactivating22
- reactivation20
- reactiveness20