What's the noun for wordplay? Here's the word you're looking for.
word
The smallest unit of language that has a particular meaning and can be expressed by itself; the smallest discrete, meaningful unit of language. (contrast morpheme.) [from 10th c.]
The smallest discrete unit of spoken language with a particular meaning, composed of one or more phonemes and one or more morphemes
The smallest discrete unit of written language with a particular meaning, composed of one or more letters or symbols and one or more morphemes
“She was known for her wordage, constantly rambling on about insignificant topics without end.”
“O'Dell wrote it in a fund-raising letter so its veracity and exact wordage are not in doubt.”
“Much of the airtime and wordage dedicated to the draft in recent weeks has been devoted to the two top quarterbacks, and who should go first.”
wordster
One who is skilled at using words; a wordsmith. [from early 20th c.]
One who studies words.
(pejorative) One who uses words instead of actions; a hypocrite, a verbalist.
word play
Used other than with a figurative or idiomatic meaning: see word,‎ play.
A technique in which the nature of the words used become part of the subject of the work, such as puns, phonetic mix-ups such as spoonerisms, obscure words and meanings, clever rhetorical excursions, oddly formed sentences, and telling character names.
“Besides giving the attendees enough time to read the display boards the DMFA scanned each package with results for a wordbook people used as a tool for the voting.”
“To be sure I had the letters right, I consulted the Urban Dictionary, an online wordbook to which users post definitions of slang.”
“This is the rare wordbook that can actually spur ideas and conversation and the spontaneous telling of stories.”
“Think about the last time you agonized over the wording you used, for example, in an essay, or an email to someone important.”
“In the analyzed interviews and speeches, he is very consistent in his wording and statements that usually cover domestic, economic, and foreign policy.”
“The story of the Argonauts opens in the following chapter with a familiar wording.”
wordlist
A written collection of all words derived from a particular source, or sharing some other characteristic.
“Morris mastered the secrets of English wordlore as much better than Shakespeare as the manifold development of the science of language naturally enabled him to do.”
“Morris mastered the secrets of English wordlore as much better than Shakespeare as the manifold development of the science of language natually enabled him to do.”
“Wordie had been Shackleton's senior scientist on the famous Endurance Imperial Trans-Antarctic expedition of 1914-16, and from Cambridge he encouraged and joined his students on expeditions to Greenland and elsewhere.”
“We pushed the ship against a small banded berg, from which Wordie secured several large lumps of biotite granite.”