radiation field vs force field

radiation field and force field both are nouns.

Word	Noun	Adjective	Verb	Adverb
radiation field	Yes	No	No	No
force field	Yes	No	No	No

As nouns, force field is a hypernym of radiation field; that is, force field is a word with a broader meaning than radiation field:

radiation field: a field that represents the energy lost from the radiator to space
force field: the space around a radiating body within which its electromagnetic oscillations can exert force on another similar body not in contact with it

Other hypernyms of radiation field include field, field of force.

radiation field (noun)	force field (noun)
a field that represents the energy lost from the radiator to space	the space around a radiating body within which its electromagnetic oscillations can exert force on another similar body not in contact with it