paleontology vs fossilology

paleontology and fossilology both are nouns.

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

As nouns, paleontology and fossilology are synonyms defined as:

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

Other synonyms of paleontology include palaeontology.

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