Mammoth Uncensored Word List:
54 words ending with na, 5 letters long

abuna anana arena asana bhuna borna bwana canna china crena dinna donna doona downa faena fauna fitna frena gonna grana guana henna hudna hyena jnana krona liana manna nanna ngana penna pinna plena prana quena quina regna ruana sauna scena senna signa spina sunna tanna thana trona tuina urena varna veena wanna winna xoana