tennis stroke vs tennis shot

tennis stroke and tennis shot both are nouns.

Word	Noun	Adjective	Verb	Adverb
tennis stroke	Yes	No	No	No
tennis shot	Yes	No	No	No

As nouns, tennis stroke and tennis shot are synonyms defined as:

tennis stroke and tennis shot: the act of hitting a tennis ball with a tennis racket

tennis stroke (noun)	tennis shot (noun)
the act of hitting a tennis ball with a tennis racket	the act of hitting a tennis ball with a tennis racket