rod-shaped vs bacilliform

rod-shaped and bacilliform both are adjectives.

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

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

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

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