Enter a clue or pattern or both:
The ClueGist (3 letter answer)
NotesThe answer NUB is uncommon, appearing about once every 375 puzzles.
Related CluesOne-inch pencil, say
The heart of the matter
The real issue
Gist of a story
DefinitionNUB as a noun:
1. (nub, nubble) = a small lump or protuberance
2. (nub, stub) = a small piece; "a nub of coal"; "a stub of a pencil"
3. (kernel, substance, core, center, essence, gist, heart, heart and soul, inwardness, marrow, meat, nub, pith, sum, nitty-gritty) = the choicest or most essential or most vital part of some idea or experience; "the gist of the prosecutor's argument"; "the heart and soul of the Republican Party"; "the nub of the story"