structural vs geomorphological

structural and geomorphological both are adjectives.

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

As adjectives, structural and geomorphological are synonyms defined as:

Other synonyms of structural include geomorphologic, morphologic, morphological.

structural (adjective)	geomorphological (adjective)
relating to or having or characterized by structure	pertaining to geological structure
relating to or caused by structure, especially political or economic structure
relating to or concerned with the morphology of plants and animals
pertaining to geological structure
concerned with systematic structure in a particular field of study
affecting or involved in structure or construction