geomorphologic vs geomorphological

geomorphologic and geomorphological both are adjectives.

Word	Noun	Adjective	Verb	Adverb
geomorphologic	No	Yes	No	No
geomorphological	No	Yes	No	No

As adjectives, geomorphologic and geomorphological are synonyms defined as:

Other synonyms of geomorphologic include morphologic, morphological, structural.

geomorphologic (adjective)	geomorphological (adjective)
pertaining to geological structure	pertaining to geological structure