grooming vs training

grooming and training both are nouns.

Word	Noun	Adjective	Verb	Adverb
grooming	Yes	No	No	No
training	Yes	No	No	No

As nouns, grooming and training are synonyms defined as:

Other synonyms of grooming include preparation.

grooming (noun)	training (noun)
the activity of getting dressed; putting on clothes	activity leading to skilled behavior
activity leading to skilled behavior	the result of good upbringing (especially knowledge of correct social behavior)