pào​zhěn

blister

疱疹 (皰疹) pào​zhěn
blister noun
a small fluid-filled bubble on the skin; a bleb

Several transparent blisters appeared around the wound.

herpes noun
a viral infection caused by the herpes virus, characterized by the eruption of small blisters

Frequency

Movie subtitles
3.13 per million appears in 1% of films
Written text
2.25 per million

Sources

Definitions
CC-CEDICT