soldiership vs skill

soldiership and skill both are nouns.

Word	Noun	Adjective	Verb	Adverb
soldiership	Yes	No	No	No
skill	Yes	No	No	No

As nouns, skill is a hypernym of soldiership; that is, skill is a word with a broader meaning than soldiership:

Other hypernyms of soldiership include accomplishment, acquirement, acquisition, attainment.

soldiership (noun)	skill (noun)
skills that are required for the life of soldier	ability to produce solutions in some problem domain
	an ability that has been acquired by training