horsemanship vs attainment

horsemanship and attainment both are nouns.

Word	Noun	Adjective	Verb	Adverb
horsemanship	Yes	No	No	No
attainment	Yes	No	No	No

As nouns, attainment is a hypernym of horsemanship; that is, attainment is a word with a broader meaning than horsemanship:

Other hypernyms of horsemanship include accomplishment, acquirement, acquisition, skill.

horsemanship (noun)	attainment (noun)
skill in handling and riding horses	the act of achieving an aim
	arrival at a new stage
	an ability that has been acquired by training