The bulk update request #3492 is pending approval.

create alias light_string (0) -> string_lights (847)
create implication heart_string_lights (5) -> string_lights (847)
create implication lantern_string_lights (2) -> string_lights (847)
create implication star_string_lights (15) -> string_lights (847)

Reason: Wiki at string_lights with 211 posts.
light_string tags has ony one post.

Only one *light*string* tag: light_string

Four *string*light* tags:
1) heart_string_lights ... 5 posts
2) lantern_string_lights ... 1 post
3) star_string_lights ... 9 posts
4) string_lights ... 211 posts!

heart_string_lights, lantern_string_lights, and star_string_lights (checked posts with those three tags and they are all string_lights)
are all string_lights.