old codger vs codger

old codger and codger both are nouns.

Word	Noun	Adjective	Verb	Adverb
old codger	Yes	No	No	No
codger	Yes	No	No	No

As nouns, old codger and codger are synonyms defined as:

old codger and codger: used affectionately to refer to an eccentric but amusing old man

old codger (noun)	codger (noun)
used affectionately to refer to an eccentric but amusing old man	used affectionately to refer to an eccentric but amusing old man