13 letter words:
instinctivity21,
8 letter words:
vicinity16,
instinct10,
6 letter words:
cytisi11,
viscin11,
stinty9,
tincts8,
5 letter words:
stivy11,
vinic10,
nitty8,
tinny8,
tinty8,
titty8,
vints8,
visit8,
tinct7,
intis5,
stint5,
tints5,
titis5,
4 letter words:
tivy10,
viny10,
city9,
cyst9,
sync9,
tiny7,
tyin7,
vins7,
vint7,
yins7,
cist6,
cits6,
tics6,
inns4,
inti4,
isit4,
nisi4,
nits4,
snit4,
tins4,
tint4,
titi4,
tits4,
3 letter words:
ivy9,
icy8,
nys6,
sny6,
sty6,
syn6,
vin6,
vis6,
yin6,
cis5,
cit5,
sic5,
tic5,
inn3,
ins3,
its3,
nis3,
nit3,
sin3,
sit3,
tin3,
tis3,
tit3,
2 letter words:
ny5,
in2,
is2,
it2,
si2,
st2,
ti2,