The use of homophones.

(semantics) A word which is pronounced the same as another word but differs in spelling or meaning or origin.

(phonetics, semantics) Having the same pronunciation. / (music) Homophonic; sounding the same.

plural of homophone

(linguistics) Having the same sound; being homophones. / (music) Having a single, accompanied, melodic line; not polyphonic.

In a homophonic manner

In a homophonous manner.