We don't have synonyms for coala yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are coal, koala and coaly.
(n) :
Obsolete form of koala. [A tree-dwelling marsupial, Phascolarctos cinereus, that resembles a small bear with a broad head, large ears and sharp claws, mainly found in eastern Australia.]
(n) :
Obsolete form of koala. [A tree-dwelling marsupial, Phascolarctos cinereus, that resembles a small bear with a broad head, large ears and sharp claws, mainly found in eastern Australia.]