Crosswordiee.com

% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Extremely simple 5 letters:

STARK: Extremely simple
ONESTEP: Like extremely simple instructions
EASYASPIE: Extremely simple
MINIMALISTART: Extremely simple visual style
IDIOTPROOF: Extremely simple
ONESTEP: Simple in the extreme