palaestra vs palestra

palaestra and palestra both are nouns.

Word	Noun	Adjective	Verb	Adverb
palaestra	Yes	No	No	No
palestra	Yes	No	No	No

As nouns, palaestra and palestra are synonyms defined as:

palaestra and palestra: a public place in ancient Greece or Rome devoted to the training of wrestlers and other athletes

palaestra (noun)	palestra (noun)
a public place in ancient Greece or Rome devoted to the training of wrestlers and other athletes	a public place in ancient Greece or Rome devoted to the training of wrestlers and other athletes