Groaning or Squeaking, Like Old Floorboards

This page is the CodyCross answer for the clue below from Futuristic City , Group 983, Puzzle 3 (Domed Cities).

Question is: Groaning or Squeaking, Like Old Floorboards

and the answer is: CREAKING

Word Meaning:

CREAKING — present participle and gerund of creak

Definitions from Wiktionary.