13 letter words:
antiarthritic18,
9 letter words:
anarthric14,
arthritic14,
8 letter words:
trichina13,
tartaric10,
irritant8,
7 letter words:
acanthi12,
catarrh12,
chianti12,
cithara12,
actinia9,
anticar9,
attract9,
tantric9,
titanic9,
antiair7,
attaint7,
titania7,
titrant7,
6 letter words:
anarch11,
attach11,
canthi11,
chitin11,
inarch11,
tahini9,
acinar8,
arnica8,
carina8,
citrin8,
crania8,
iatric8,
intact8,
iritic8,
nitric8,
antiar6,
arrant6,
attain6,
attrit6,
rattan6,
tantra6,
tartan6,
tartar6,
titian6,
5 letter words:
aitch10,
chain10,
chair10,
chant10,
charr10,
chart10,
china10,
chirr10,
natch10,
ranch10,
ratch10,
airth8,
arhat8,
haint8,
acari7,
acini7,
actin7,
antic7,
attic7,
cairn7,
carat7,
cirri7,
naric7,
ricin7,
tacit7,
tinct7,
tract7,
triac7,
antra5,
atria5,
attar5,
naira5,
raita5,
ratan5,
riant5,
riata5,
taint5,
tatar5,
tiara5,
titan5,
train5,
trait5,
4 letter words:
arch9,
chai9,
char9,
chat9,
chia9,
chin9,
chit9,
inch9,
itch9,
rich9,
tach9,
haar7,
hair7,
hant7,
hart7,
hint7,
rath7,
tahr7,
than7,
that7,
thin7,
thir7,
acta6,
cain6,
cant6,
carn6,
carr6,
cart6,
crit6,
narc6,
tact6,
airn4,
airt4,
anta4,
anti4,
aria4,
inia4,
inti4,
raia4,
rain4,
rani4,
rant4,
tain4,
tarn4,
tart4,
tint4,
titi4,
3 letter words:
chi8,
hic8,
ich8,
aah6,
aha6,
ahi6,
hat6,
hin6,
hit6,
nah6,
nth6,
rah6,
act5,
arc5,
can5,
car5,
cat5,
tic5,
ain3,
air3,
ait3,
ana3,
ani3,
ant3,
art3,
att3,
nit3,
rai3,
ran3,
rat3,
ria3,
rin3,
tan3,
tar3,
tat3,
tin3,
tit3,
2 letter words:
ah5,
ha5,
hi5,
aa2,
ai2,
an2,
ar2,
at2,
in2,
it2,
na2,
ta2,
ti2,
