10 letters
- cornucopia21
- coronating17
- coronation15
- corotating16
- correcting19
- correction17
- cosmogenic22
- councilman23
- councilmen23
- counteract18
- countering18
- counterion16
- counterman19
- countermen19
- countryman21
- countrymen21
- courantoes15
- covariance21
- covenanter19
- covenantor19
- craniotomy19
- craunching23
- creatinine15
- cremations17
- crenations15
- creosoting16
- cricketing23
- criminated18
- criminates17
- crimsoning20
- crocheting21
- croqueting26
- cunctation19
- cunctative22
- curtailing18
- curtaining18
- curvetting21
- cyanogenic22
- decimating20
- decimation18
- decorating17
- decoration15
- democratic20
- demounting19
- denaturing16
- derivation16
- derogation14
- detraining15
- dicoumarin19
- dominating18
- domination16
- dominative19
- economical21
- ecotourism17
- egocentric19
- eliminator15
- elongation15
- eluviating19
- eluviation17
- emaciating19
- emaciation17
- emigrating18
- emigration16
- enamouring18
- enantiomer15
- encircling21
- encrusting18
- enervating18
- enervation16
- enharmonic20
- entraining15
- entrancing18
- enunciator16
- environing19
- ergonomics19
- ergonomist16
- ergonovine18
- ergotamine16
- erotogenic16
- eructating17
- eructation15
- evacuating21
- evacuation19
- evaporitic20
- evocations18
- exuviating25
- exuviation23
- fantoccini21
- figuration17
- figurative20
- fumigation20
- garmenting19
- gastronome16
- geminating19
- gemination17
- gemmations19
- generation14
- gentamicin20
- geobotanic19
- geocentric19
- germaniums20
- glauconite18
- goniometer16
- goniometry18
- governance21
- government21
- gramineous17
- granulitic18
- herniating16
- herniation14
- heroicomic21
- homecoming24
- iatrogenic16
- iceboating19
- ideogramic19
- ignorances17
- immigrants19
- immigrated19
- immigrates18
- immittance20
- immolating20
- immolation18
- immunogens21
- impairment20
- importance20
- impregnant20
- inaccurate18
- incautions16
- inchoative20
- incinerate15
- incogitant17
- incognitas17
- incognitos17
- increasing17
- incrusting18
- incubating21
- incubation19
- incubative22
- inculcator19
- incurvated20
- incurvates19
- inductance20
- indurating16
- induration14
- indurative17
- inearthing16
- infarction18
- infracting20
- infraction18
- inharmonic20
- inhumation18
- injunctive29
- innominate16
- innovating19
- innovation17
- innovative20
- innovators16
- innovatory18
- innumeracy21
- innumerate16
- inoculator16
- inordinate13
- insinuator13
- insouciant16
- interchain17
- interionic15
- interocean15
- interorgan14
- interunion14
- intragenic17
- intreating14
- intriguant15
- invaginate18
- invariance19
- invigorate17
- invocating21
- invocation19
- invocatory20
- involuting20
- involution18
- ironmonger17
- isoantigen14
- isogametic18
- itinerancy17
- ivermectin21
- jointuring24
- lactogenic20
- levigation18
- macerating19
- maceration17
- magnetrons17
- maintainer15
- manicuring21
- manicurist18
- manometric20
- manticores17
- margenting19
- marinating17
- marination15
- matronymic22