plantar wart
Medical term for a wart on the sole of the foot, caused by HPV. In everyday conversation, 足の裏のイボ is more common.
Plantar warts are a viral skin condition.
General medical term for wart; 足底疣贅 specifies the location on the sole.
Common everyday word for wart; 足底疣贅 is the formal medical term.
Compound of 足底 (sole of the foot) and 疣贅 (wart). The exact historical derivation is uncertain; the spelling is conventionally associated with the medical meaning.