Answer: suffix "-ity"
the adjective root of this word is “regular”
changes the meaning of the word by turning the adjective “regular” into a noun that refers to the state or quality of being regular.
Step-by-step explanation:
Answer: The suffix in the noun “regularity” is “-ity”. The adjective root of this word is “regular”. The suffix “-ity” changes the meaning of the word by turning the adjective “regular” into a noun that refers to the state or quality of being regular.
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