15 Letter Words
exemplificative
34
excommunicative
33
phosphorylative
31
experimentative
29
nonexploitative
27
nonquantitative
27
cosignificative
26
incommunicative
26
misappreciative
26
uncommunicative
26
insignificative
24
overimaginative
24
decontaminative
23
neoconservative
23
nonconservative
23
prognosticative
23
antispeculative
22
procrastinative
22
disassimilative
21
electronegative
21
unauthoritative
21
undemonstrative
21
14 Letter Words
photooxidative
30
simplificative
26
disapprobative
24
inappreciative
23
multiplicative
23
noncommutative
23
unappreciative
23
conglomerative
22
discriminative
22
rehabilitative
22
transformative
22
antiderivative
21
disaggregative
21
noncooperative
21
nonspeculative
21
recapitulative
21
administrative
20
conglutinative
20
congratulative
20
predestinative
20
supererogative
20
transmigrative
20
disintegrative
19
interoperative
19
interpretative
19
13 Letter Words
qualificative
30
approximative
29
frequentative
28
justificative
28
prejudicative
28
expectorative
27
accommodative
25
expostulative
25
exterminative
25
extrapolative
25
specificative
25
commemorative
24
communicative
24
mundificative
24
impredicative
23
overtalkative
23
unprovocative
23
appropriative
22
commiserative
22
confederative
22
configurative
22
conflagrative
22
contemplative
22
participative
22
photonegative
22
12 Letter Words
desquamative
27
adjudicative
26
colliquative
26
exprobrative
26
quidditative
26
excogitative
25
exhilarative
25
exaggerative
24
exasperative
24
exploitative
24
intoxicative
24
quantitative
24
complicative
23
modificative
23
verificative
23
confirmative
22
performative
22
preformative
22
purificative
22
accumulative
21
appreciative
21
compellative
21
compensative
21
compulsative
21
consummative
21
11 Letter Words
exclamative
25
expectative
25
explicative
25
exsiccative
25
conjugative
24
exfoliative
24
exhortative
24
objurgative
24
ejaculative
23
expatiative
23
explanative
23
explorative
23
extirpative
23
qualitative
23
affirmative
22
affricative
22
suffocative
22
convocative
21
exonerative
21
extenuative
21
fabricative
21
provocative
21
syncopative
21
applicative
20
approbative
20
10 Letter Words
adequative
23
judicative
23
excitative
22
execrative
22
pejorative
22
relaxative
20
advocative
19
babblative
19
occupative
19
abdicative
18
evacuative
18
hebetative
18
inchoative
18
invocative
18
medicative
18
motivative
18
accusative
17
ampliative
17
capitative
17
comitative
17
cooptative
17
copulative
17
cumulative
17
cunctative
17
dedicative
17
9 Letter Words
quotative
21
exudative
20
oxidative
20
combative
18
curvative
17
evocative
17
formative
17
fricative
17
gemmative
17
privative
17
vibrative
17
calmative
16
deviative
16
placative
16
precative
16
probative
16
siccative
16
summative
16
talkative
16
educative
15
hortative
15
inflative
15
mediative
15
predative
15
purgative
15
8 Letter Words
fixative
21
laxative
18
taxative
18
vitative
14
ablative
13
conative
13
creative
13
curative
13
locative
13
mutative
13
optative
13
putative
13
dilative
12
donative
12
durative
12
ergative
12
ideative
12
ligative
12
negative
12
sedative
12
allative
11
illative
11
innative
11
relative
11
rotative
11