tag end vs pine-tar rag

tag end and pine-tar rag both are nouns.

Word	Noun	Adjective	Verb	Adverb
tag end	Yes	No	No	No
pine-tar rag	Yes	No	No	No

As nouns, pine-tar rag is a hyponym of tag end; that is, pine-tar rag is a word with a more specific, narrower meaning than tag end:

tag end: a small piece of cloth
pine-tar rag: baseball equipment consisting of a rag soaked with pine tar; used on the handle of a baseball bat to give a batter a firm grip

tag end (noun)	pine-tar rag (noun)
a small piece of cloth	baseball equipment consisting of a rag soaked with pine tar; used on the handle of a baseball bat to give a batter a firm grip