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