(zhī) creaking or groaning sound (onomatopoeia)
(zī) (of mice) to squeak; (of small birds) to chirp or peep (onomatopoeia)
(zīzīgāgā) creaking and grating (onomat.)
(zīzīshēng) squeak
(zhīgā) creak; crunch (onomatopoeia)
(zhīshēng) to cheep