interpolation vs interjection

interpolation and interjection both are nouns.

Word	Noun	Adjective	Verb	Adverb
interpolation	Yes	No	No	No
interjection	Yes	No	No	No

As nouns, interpolation and interjection are synonyms defined as:

interpolation and interjection: the action of interjecting or interposing an action or remark that interrupts

Other synonyms of interpolation include interpellation, interposition.

interpolation (noun)	interjection (noun)
the action of interjecting or interposing an action or remark that interrupts	the action of interjecting or interposing an action or remark that interrupts
(mathematics) calculation of the value of a function between the values already known	an abrupt emphatic exclamation expressing emotion
a message (spoken or written) that is introduced or inserted