12 letters
- exiguousness24
- extraneously24
- fabulousness22
- factiousness20
- factitiously22
- fallaciously24
- famousnesses20
- fastidiously20
- felicitously23
- fictitiously22
- flagitiously22
- fluorouracil22
- foregrounded21
- forethoughts22
- fortuitously20
- foundational20
- fountainhead21
- fourdriniers18
- fuliginously24
- gallinaceous21
- gametogenous21
- gamopetalous22
- gelatinously20
- generousness17
- ghoulishness21
- glamourizing31
- glaucousness21
- gloriousness17
- gluttonously21
- gorgeousness18
- gourmandises20
- gourmandisms23
- gourmandized30
- gourmandizes29
- graciousness19
- gratuitously19
- gregariously20
- grievousness20
- groundbursts21
- groundfishes22
- groundlessly21
- groundmasses20
- groundsheets19
- groundswells22
- groundwaters20
- groupuscules24
- harmoniously22
- hebetudinous21
- heliolatrous17
- hellaciously23
- hematogenous21
- heteroecious18
- heterogamous20
- heterogenous18
- heterologous18
- heteronomous19
- heterozygous28
- homoiousians19
- homonymously27
- homozygously34
- horrendously20
- houseboaters18
- housebreaker22
- housecleaned21
- housedresses16
- housefathers20
- householders19
- househusband23
- housekeepers22
- housekeeping25
- housemasters18
- housemothers20
- housepainter19
- houseparents19
- housepersons19
- housesitting18
- housetrained17
- housewarming24
- humorousness20
- hygrophilous25
- hyperarousal21
- idolatrously18
- imperviously26
- impetiginous22
- impoundments25
- inauspicious21
- incautiously21
- incestuously21
- incommodious24
- indecorously21
- indigenously21
- infectiously23
- infelicitous21
- ingloriously20
- inharmonious20
- iniquitously27
- insalubrious19
- insouciances21
- insouciantly21
- interborough21
- intercountry20
- intercourses17
- interwrought21
- journalistic27
- journalizers33
- journalizing36
- journeyworks32
- joyousnesses25
- langoustines18
- languorously21
- lasciviously24
- libidinously22
- licentiously21
- loquaciously30
- loudspeakers22
- lubriciously24
- lugubriously24
- luminiferous22
- luminousness20
- lusciousness19
- lustrousness16
- lymphomatous27
- macropterous22
- malnourished21
- malodorously21
- mealymouthed25
- meetinghouse21
- membranously26
- mendaciously24
- meretricious19
- merrythought24
- mesophyllous25
- meticulously24
- microsporous22
- microvillous25
- miraculously24
- mispronounce24
- monadelphous24
- monogamously25
- monotonously21
- motherhouses20
- mountaineers18
- mountainside19
- mountaintops21
- mountebanked26
- mournfullest23
- mournfulness23
- mousetrapped23
- mouthbreeder22
- mucilaginous24
- multicourses21
- multifarious21
- mutinousness19
- mycetomatous24
- mysteriously21
- myxedematous29
- nauseousness16
- nebulousness20
- necrophagous24
- neighbouring24
- neuropterous18
- nonambiguous24
- noncancerous22
- noncompounds26
- nonconscious22
- noncountries19
- nonfrivolous23
- nonglamorous21
- nonhazardous27
- nonpoisonous19
- nonreligious18
- nonunanimous21
- nourishments20
- numerousness19
- numinousness20
- nutritiously18
- obsequiously29
- obstreperous19
- odiousnesses15
- offscourings25
- oleaginously20
- oleoresinous15
- oligophagous23
- omnivorously24
- orchidaceous22
- orthotropous18
- ostentatious14
- outachieving25
- outbalancing24
- outbargained20
- outbreedings20
- outbuildings22
- outcavilling25
- outcompeting25
- outcroppings25
- outdatedness16
- outdelivered20
- outdesigning20
- outdistanced19
- outdistances18