rod-shaped vs baculiform

rod-shaped and baculiform both are adjectives.

Word	Noun	Adjective	Verb	Adverb
rod-shaped	No	Yes	No	No
baculiform	No	Yes	No	No

As adjectives, rod-shaped and baculiform are synonyms defined as:

Other synonyms of rod-shaped include bacillar, bacillary, bacilliform.

rod-shaped (adjective)	baculiform (adjective)
formed like a bacillus	formed like a bacillus
resembling a rod