inverse cosine
anticosine
archfoe
arcid
arsenous hydride
inverse sine
antisine
arsenic trihydride
archicortical
argillous
anthanthrenylene
elephant ear
oleagenin
Aristophanic
cyclometric
arsane
apicalized
orellanin
achenium
spermidium
achenial
acetonitrilic
Arctoidean
josephinite
artifactitious
atavistical
inverse tangent
antitangent
arctometatarsalian
adarticulation
oligoacene
adipokinic
vauclusian
acetylic
blackroot
archaellar
Arcimboldian
isohexadecane
arctigenin
Aristoxenian
orseille
orchella
methanoarchaeon
dimethylacetonedicarboxylate
ursophile
axenous
arctiin
devil's dung
asant
arctangential