clinic vs hockey clinic

clinic and hockey clinic both are nouns.

Word	Noun	Adjective	Verb	Adverb
clinic	Yes	No	No	No
hockey clinic	Yes	No	No	No

As nouns, hockey clinic is a hyponym of clinic; that is, hockey clinic is a word with a more specific, narrower meaning than clinic:

clinic: meeting for diagnosis of problems and instruction or remedial work in a particular activity
hockey clinic: a meeting at which hockey players receive special evaluation and instruction

Other hyponyms of clinic include reading clinic, basketball clinic, baseball clinic.

clinic (noun)	hockey clinic (noun)
a healthcare facility for outpatient care	a meeting at which hockey players receive special evaluation and instruction
meeting for diagnosis of problems and instruction or remedial work in a particular activity
a medical establishment run by a group of medical specialists