shelter vs field hut

shelter and field hut both are nouns.

Word	Noun	Adjective	Verb	Adverb
shelter	Yes	No	Yes	No
field hut	Yes	No	No	No

As nouns, field hut is a hyponym of shelter; that is, field hut is a word with a more specific, narrower meaning than shelter:

shelter (noun)	field hut (noun)
a structure that provides privacy and protection from danger	temporary military shelter
protective covering that provides protection from the weather
temporary housing for homeless or displaced persons
a way of organizing business to reduce the taxes it must pay on current earnings
the condition of being protected

shelter (verb)	field hut (verb)
invest (money) so that it is not taxable
provide shelter for