How many letters does the top answer for “one or some or every or all without specification” have?

The most common answer is whatever (8 letters).

Crossword clue: one or some or every or all without specification

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

whatever 8 letters wn-def

one or some or every or all without specification

whatsoever 10 letters wn-def

one or some or every or all without specification