The bulk update request #11338 is pending approval.

create alias hiding_face (328) -> covering_face (2691)
create alias hiding_crotch (3) -> covering_crotch (5977)
create alias hiding_erection (442) -> covering_erection (112)
create alias hiding_penis (107) -> covering_penis (145)
create alias hiding_pussy (81) -> covering_pussy (399)
create alias hiding_nipple (6) -> covering_chest (414)
create implication covering_erection (112) -> covering_penis (145)

Reason: hiding and covering appear to depict the same thing in this case, but "covering" is a more objective visual description.

(There is also 1 instance of covering_arousal, but I don't know if we need to do anything about that.)