ring-shaped vs annulated

ring-shaped and annulated both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ring-shaped	No	Yes	No	No
annulated	No	Yes	No	No

As adjectives, ring-shaped and annulated are synonyms defined as:

Other synonyms of ring-shaped include annular, annulate, circinate, doughnut-shaped, ringed.

ring-shaped (adjective)	annulated (adjective)
shaped like a ring	shaped like a ring