A thing, quantity or part required to make something full or complete (noun)
USA Today Rootonym clue · 10 letters · last seen September 5, 2026
Answer
COMPLEMENT
The Root
PLEmeans “fill”
In a sentence: Ellen likes hot chocolate topped with whipped cream as a COMPLEMENT to any meal.
About this clue
The Rootonym clue “A thing, quantity or part required to make something full or complete (noun)” has the answer COMPLEMENT (10 letters), built on the root PLE, which means “fill”. See the full September 5, 2026 Rootonym puzzle for the other three words, or browse all Rootonym answers.