1) Audible sign of age 2) Bone sound at 90 3) Bones and doors may do it 4) Creaking 5) Door sound 6) Door sound, sometimes 7) Exclusively Anglo word 8) Exclusively Saxon word 9) Floor sound 10) Floorboard noise 11) Floorboard sound 12) Floorboards sound 13) Ghostly sound 14) Grating sound 15) Haunted house noise 1) Screak 2) Skreak 3) Stridor 
• (v. i.) To make a prolonged sharp grating or squeaking sound, as by the friction of hard substances; as, shoes creak. • (v. t.) To produce a creaking sound with. • (n.) The sound produced by anything that creaks; a creaking.
Creak (krēk) intransitive verb [ imperfect & past participle Creaked (krēkt); present participle & verbal noun Creaking .] [ Middle English creken , probably of imitative origin; confer E. crack , and ....Creak transitive verb To produce a creaking sound with. « Creaking my shoes on the plain masonry. Shak. » 
[n] - a squeaking sound
creaking noun a squeaking sound; `the creak of the floorboards gave him away`
to make a sharp, harsh, grating, or squeaking sound. · to move with creaking.