body vs inclusion body

body and inclusion body both are nouns.

Word	Noun	Adjective	Verb	Adverb
body	Yes	No	Yes	No
inclusion body	Yes	No	No	No

As nouns, inclusion body is a hyponym of body; that is, inclusion body is a word with a more specific, narrower meaning than body:

body: an individual 3-dimensional object that has mass and that is distinguishable from other objects
inclusion body: any small intracellular body found within another (characteristic of certain diseases)

Other hyponyms of body include chromosome, cellular inclusion, inclusion, mass, particle, subatomic particle.

body (noun)	inclusion body (noun)
the external structure of a vehicle	any small intracellular body found within another (characteristic of certain diseases)
a resonating chamber in a musical instrument (as the body of a violin)
the property of holding together and retaining its shape
the main mass of a thing
the entire physical structure of an organism (an animal, plant, or human being)
the body excluding the head and neck and limbs
a natural object consisting of a dead animal or person
the central message of a communication
a group of persons associated by some common tie or occupation and regarded as an entity
a collection of particulars considered as a system
an individual 3-dimensional object that has mass and that is distinguishable from other objects

body (verb)	inclusion body (verb)
invest with or as with a body; give body to