soldiering vs skill

soldiering and skill both are nouns.

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

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

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

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