IPA: /ˈlɛtərər/
KK: /ˈlɛtərər/
A person who specializes in writing letters or text, often in a neat and artistic way, especially in comics or signs.
The letterer added the dialogue to the comic book pages with great skill.
Letterer → It is formed from "letter" (from Old French *lettre*, meaning a written character or symbol) and "-er" (meaning a person who). A letterer is a person who creates or works with letters, particularly in the context of typography or comic art.
Think of someone who works with 'letters' — the '-er' just means a person. A letterer is someone who creates or designs letters.