morphology vs tectonics

morphology and tectonics both are nouns.

Word	Noun	Adjective	Verb	Adverb
morphology	Yes	No	No	No
tectonics	Yes	No	No	No

As nouns, tectonics is a hyponym of morphology; that is, tectonics is a word with a more specific, narrower meaning than morphology:

morphology: the branch of geology that studies the characteristics and configuration and evolution of rocks and land forms
tectonics: the branch of geology studying the folding and faulting of the earth's crust

Other hyponyms of morphology include plate tectonic theory, plate tectonics, lithology, petrology.

morphology (noun)	tectonics (noun)
the branch of biology that deals with the structure of animals and plants	the branch of geology studying the folding and faulting of the earth's crust
studies of the rules for forming admissible words	the science of architecture
the admissible arrangement of sounds in words
the branch of geology that studies the characteristics and configuration and evolution of rocks and land forms