27 letter words
ETHYLENEDIAMINETETRAACETATE​38
19 letter words
PHOSPHOENOLPYRUVATE​37
18 letter words
COUNTERDEMONSTRATE​23
17 letter words (6 words)
DEHYDROCHLORINATE​30
IMMUNOPRECIPITATE​27
OVERPROPORTIONATE​24
PHOTODISINTEGRATE​24
POSTBACCALAUREATE​25
SUPERCONGLOMERATE​24
16 letter words (8 words)
ACETYLSALICYLATE​26
ANTICONGLOMERATE​21
DISPROPORTIONATE​21
INTERCOMMUNICATE​24
MICROENCAPSULATE​24
MICROSPORANGIATE​23
PHOSPHOGLYCERATE​32
TRANSUBSTANTIATE​18
15 letter words (58 words)
INTERCOLLEGIATE​18
METHYLPHENIDATE​29
ORGANOPHOSPHATE​26
MONTMORILLONITE​19
HYDROXYBUTYRATE​37
POLYELECTROLYTE​25
OLIGODENDROCYTE​23
ALUMINOSILICATE​19
DITHIOCARBAMATE​25
ANGUSTIROSTRATE​16
ANTEPENULTIMATE​19
ANTHROPOPHAGITE​26
ARCHIEPISCOPATE​26
CEPHALOCHORDATE​28
CIRCUMSTANTIATE​21
CONSUBSTANTIATE​19
CRYOPRECIPITATE​26
DEDIFFERENTIATE​23
DEPHLOGISTICATE​24
DEPHOSPHORYLATE​29
14 letter words (85 words)
INDISCRIMINATE​19
MICROSATELLITE​18
HYDROXYAPATITE​33
ORTHOPHOSPHATE​27
DINOFLAGELLATE​19
INCOMMENSURATE​20
BISPHOSPHONATE​26
CIRCUMNAVIGATE​24
DIMENHYDRINATE​24
MISAPPROPRIATE​22
SUPERPHOSPHATE​26
OVERCOMPENSATE​23
HYPERVENTILATE​25
ANGUSTIFOLIATE​18
ANTIMETABOLITE​18
ARCHIDIACONATE​22
BLETHERANSKATE​23
CHLOROARGYRITE​23
CIRCUMAMBULATE​24
CONTRAINDICATE​19
13 letter words (143 words)
UNDERGRADUATE​16
INAPPROPRIATE​19
DIFFERENTIATE​20
COMPASSIONATE​19
BACCALAUREATE​19
POLYCARBONATE​22
UNDERESTIMATE​16
PROPORTIONATE​17
INDETERMINATE​16
HERMAPHRODITE​24
VIDEOCASSETTE​19
MONOPHOSPHATE​25
INCONSIDERATE​16
PYROPHOSPHATE​28
PROCRASTINATE​17
DISPASSIONATE​16
AUDIOCASSETTE​16
TEREPHTHALATE​21
MICROCASSETTE​19
DECONTAMINATE​18
12 letter words (292 words)
INTERMEDIATE​15
PREREQUISITE​23
POSTGRADUATE​16
TRANSVESTITE​15
REDISTRIBUTE​15
CARBOHYDRATE​23
DISCRIMINATE​17
AUTHENTICATE​17
MULTIVARIATE​17
CONGRATULATE​15
BACHELORETTE​19
COMMENSURATE​18
CONGLOMERATE​17
AFFECTIONATE​20
INVERTEBRATE​17
ILLEGITIMATE​15
INSPECTORATE​16
SUBSTANTIATE​14
REHABILITATE​17
TRIPHOSPHATE​22
11 letter words (467 words)
APPROPRIATE​17
CERTIFICATE​18
PARTICIPATE​17
DEMONSTRATE​14
COMMUNICATE​19
INVESTIGATE​15
INCORPORATE​15
ACCOMMODATE​20
APPROXIMATE​24
CONCENTRATE​15
CONSOLIDATE​14
UNFORTUNATE​14
DIRECTORATE​14
COLLABORATE​15
CONFEDERATE​17
PARTICULATE​15
SUBORDINATE​14
DISSEMINATE​14
ELECTROLYTE​16
CONTEMPLATE​17
10 letter words (664 words)
CONTRIBUTE​14
APPRECIATE​16
FACILITATE​15
SUBSTITUTE​12
CONSTITUTE​12
DISTRIBUTE​13
COORDINATE​13
INCOMPLETE​16
LEGITIMATE​13
INTERSTATE​10
INADEQUATE​20
ILLUSTRATE​10
PASSIONATE​12
COLLEGIATE​13
ACCELERATE​14
ANTICIPATE​14
INACCURATE​14
MANIPULATE​14
COMPENSATE​16
DELIBERATE​13
9 letter words (971 words)
CORPORATE​13
INSTITUTE​9
SATELLITE​9
AFFILIATE​15
ASSOCIATE​11
IMMEDIATE​14
FAVOURITE​15
CHOCOLATE​16
CANDIDATE​13
CHARLOTTE​14
CALCULATE​13
ATTRIBUTE​11
ALTERNATE​9
ELIMINATE​11
TRANSLATE​9
COMPOSITE​15
SYNDICATE​15
DESPERATE​12
CELEBRATE​13
AGGREGATE​12
8 letter words (802 words)
COMPLETE​14
FAVORITE​14
GRADUATE​10
SEPARATE​10
ULTIMATE​10
ACCURATE​12
INDICATE​11
TEMPLATE​12
ESTIMATE​10
CONCRETE​12
GENERATE​9
ABSOLUTE​10
EVALUATE​11
NAVIGATE​12
ADEQUATE​18
MODERATE​11
OPPOSITE​12
ROULETTE​8
CASSETTE​10
BRUNETTE​10
7 letter words (496 words)
WEBSITE​12
PRIVATE​12
PROMOTE​11
DESPITE​10
CLIMATE​11
OPERATE​9
DISPUTE​10
COMPETE​13
STATUTE​7
EXECUTE​16
TRIBUTE​9
GAZETTE​17
MANDATE​10
COMPUTE​13
GRANITE​8
ATHLETE​10
EDUCATE​10
KEYNOTE​14
VIOLATE​10
PROBATE​11
6 letter words (231 words)
ESTATE​6
CREATE​8
UPDATE​9
REMOTE​8
MINUTE​8
SENATE​6
DELETE​7
DEBATE​9
DONATE​7
LOCATE​8
INVITE​9
RELATE​6
REBATE​8
FINITE​9
PETITE​8
PIRATE​8
EXCITE​15
DENOTE​7
ROTATE​6
KARATE​10
5 letter words (116 words)
STATE​5
WHITE​11
QUOTE​14
WRITE​8
QUITE​14
WROTE​8
SUITE​5
WASTE​8
ROUTE​5
PLATE​7
TASTE​5
ELITE​5
ACUTE​7
PASTE​7
MONTE​7
SKATE​9
SPITE​7
EVITE​8
FLUTE​8
SLATE​5
4 letter words (64 words)
SITE​4
DATE​5
RATE​4
NOTE​4
LATE​4
VOTE​7
HATE​7
CUTE​6
GATE​5
LITE​4
BYTE​9
MATE​6
FATE​7
CITE​6
BITE​6
COTE​6
TOTE​4
RITE​4
TATE​4
KITE​8
3 letter words
ATE​3
UTE​3
2 letter words
TE​2