APACE
APACHE
APACHES
APADANA
APADANAS
APAGE
APAGOGE
APAGOGES
APAGOGIC
APAGOGICAL
APAGOGICALLY
APAID
APANAGE
APANAGED
APANAGES
APAREJO
APAREJOS
APART
APARTHEID
APARTHEIDS
APARTHOTEL
APARTHOTELS
APARTMENT
APARTMENTAL
APARTMENTS
APARTNESS
APARTNESSES
APATETIC
APATHATON
APATHATONS
APATHETIC
APATHETICAL
APATHETICALLY
APATHIES
APATHY
APATITE
APATITES
APATOSAUR
APATOSAURS
APATOSAURUS
APATOSAURUSES
APAY
APAYD
APAYING
APAYS

45 words start with APA.