palaeontology vs paleontology

palaeontology and paleontology both are nouns.

Word	Noun	Adjective	Verb	Adverb
palaeontology	Yes	No	No	No
paleontology	Yes	No	No	No

As nouns, palaeontology and paleontology are synonyms defined as:

palaeontology and paleontology: the earth science that studies fossil organisms and related remains

Other synonyms of palaeontology include fossilology.

palaeontology (noun)	paleontology (noun)
the earth science that studies fossil organisms and related remains	the earth science that studies fossil organisms and related remains