seamanlike vs seamanly

seamanlike and seamanly both are adjectives.

Word	Noun	Adjective	Verb	Adverb
seamanlike	No	Yes	No	No
seamanly	No	Yes	No	No

As adjectives, seamanlike and seamanly are synonyms defined as:

seamanlike and seamanly: characteristic of or befitting a seaman; indicating competent seamanship

seamanlike (adjective)	seamanly (adjective)
characteristic of or befitting a seaman; indicating competent seamanship	characteristic of or befitting a seaman; indicating competent seamanship