The bulk update request #11116 is pending approval.
create implication muffled_speech (744) -> muffled (4812)
create implication muffled_screaming (337) -> muffled (4812)
create implication muffled_moaning (421) -> muffled (4812)
create implication muffled_sounds (44) -> muffled (4812)
create alias muffled_scream (62) -> muffled_screaming (337)
Reason: All these categories can be gathered under "muffled".