palaetiology vs paletiology

palaetiology and paletiology both are nouns.

Word	Noun	Adjective	Verb	Adverb
palaetiology	Yes	No	No	No
paletiology	Yes	No	No	No

As nouns, palaetiology and paletiology are synonyms defined as:

palaetiology and paletiology: the explanation of past events in terms of scientific causes (as geological causes)

palaetiology (noun)	paletiology (noun)
the explanation of past events in terms of scientific causes (as geological causes)	the explanation of past events in terms of scientific causes (as geological causes)