needle-shaped vs acerose

needle-shaped and acerose both are adjectives.

Word	Noun	Adjective	Verb	Adverb
needle-shaped	No	Yes	No	No
acerose	No	Yes	No	No

As adjectives, needle-shaped and acerose are synonyms defined as:

Other synonyms of needle-shaped include acerate, acicular.

needle-shaped (adjective)	acerose (adjective)
narrow and long and pointed; as pine leaves	narrow and long and pointed; as pine leaves