tanker vs soldier

tanker and soldier both are nouns.

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

As nouns, soldier is a hypernym of tanker; that is, soldier is a word with a broader meaning than tanker:

tanker (noun)	soldier (noun)
a cargo ship designed to carry crude oil in bulk	a wingless sterile ant or termite having a large head and powerful jaws adapted for defending the colony
a motor vehicle designed to carry liquefied loads, dry bulk cargo or gases on roads.	an enlisted man or woman who serves in an army
a soldier who drives a tank

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