soldier vs soldiership

soldier and soldiership both are nouns.

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

soldier (noun)	soldiership (noun)
a wingless sterile ant or termite having a large head and powerful jaws adapted for defending the colony	skills that are required for the life of soldier
an enlisted man or woman who serves in an army

soldier (verb)	soldiership (verb)
serve as a soldier in the military