20 letters
19 letters
17 letters
15 letters
14 letters
13 letters
- acculturating25
- agglomerating24
- collaborating24
- commemorating28
- commiserating25
- concentrating24
- confederating24
- corroborating22
- decerebrating23
- demonstrating21
- deteriorating17
- equilibrating30
- expectorating29
- incarcerating23
- incorporating23
- orchestrating21
- overoperating23
- perseverating23
- proliferating23
- recalibrating23
- refrigerating21
- reintegrating19
- remonstrating20
- reverberating23
- sequestrating26
12 letters
- accelerating22
- adulterating18
- alliterating17
- ameliorating19
- asseverating19
- camphorating26
- consecrating22
- decelerating20
- deflagrating22
- degenerating19
- deliberating20
- desiderating17
- edulcorating21
- elucubrating24
- eviscerating22
- exaggerating26
- exasperating25
- exenterating23
- exhilarating25
- illustrating18
- inaugurating20
- incinerating20
- infiltrating20
- intenerating17
- invigorating22
- nonoperating20
- obliterating19
- perpetrating21
- recuperating22
- redecorating19
- regenerating18
- remunerating20
- vituperating23
- vociferating25
11 letters
- adumbrating22
- arbitrating17
- calibrating21
- celebrating21
- cerebrating20
- cooperating20
- dehydrating20
- denigrating18
- desecrating18
- deuterating16
- elaborating18
- enumerating19
- evaporating21
- exonerating22
- exuberating25
- frustrating18
- fulgurating22
- immigrating22
- impetrating20
- integrating17
- itinerating15
- meliorating18
- mercurating21
- micturating21
- penetrating18
- perforating20
- prostrating17
- rehydrating19
- reiterating14
- reoperating17
- suppurating22
- triturating15
- underrating17
10 letters
- acierating16
- asperating16
- aspirating16
- castrating16
- deaerating14
- decorating17
- depurating18
- emigrating18
- execrating23
- federating17
- filtrating17
- generating16
- indurating16
- lacerating17
- liberating17
- lustrating15
- macerating19
- maturating17
- moderating17
- numerating18
- obturating17
- overrating17
- perorating16
- quadrating24
- saturating14
- separating16
- tolerating14
- ulcerating18
- venerating18
9 letters
6 letters