Leviticus 14:33 - 48, 54 - 57 [emphasis added]
Lev 14:33  And the LORD spoke unto Moses and unto Aaron, saying,
Lev 14:34  When ye be come into the land of Canaan, which I give to you for a possession, and I put the plague of leprosy6883 in a house of the land of your possession;
Lev 14:35  And he that owneth the house shall come and tell the priest, saying, It seemeth to me there is as it were a plague in the house:
Lev 14:36  Then the priest shall command that they empty the house, before the priest go into it to see the plague, that all that is in the house be not made unclean: and afterward the priest shall go in to see the house:
Lev 14:37  And he shall look on the plague, and, behold, if the plague be in the walls of the house with hollow streaks, greenish or reddish, which in sight are lower than the wall;
Lev 14:38  Then the priest shall go out of the house to the door of the house, and shut up the house seven days:
Lev 14:39  And the priest shall come again the seventh day, and shall look: and, behold, if the plague be spread in the walls of the house;
Lev 14:40  Then the priest shall command that they take away the stones in which the plague is, and they shall cast them into an unclean place without the city:
Lev 14:41  And he shall cause the house to be scraped within round about, and they shall pour out the dust that they scrape off without the city into an unclean place:
Lev 14:42  And they shall take other stones, and put them in the place of those stones; and he shall take other mortar, and shall plaster the house.
Lev 14:43  And if the plague come again, and break out in the house, after that he hath taken away the stones, and after he hath scraped the house, and after it is plastered;
Lev 14:44  Then the priest shall come and look, and, behold, if the plague be spread in the house, it is a fretting leprosy in the house: it is unclean.
Lev 14:45  And he shall break down the house, the stones of it, and the timber thereof, and all the mortar of the house; and he shall carry them forth out of the city into an unclean place.
Lev 14:46  Moreover he that goeth into the house all the while that it is shut up shall be unclean until the even.
Lev 14:47  And he that lieth in the house shall wash his clothes; and he that eateth in the house shall wash his clothes.
Lev 14:48  And if the priest shall come in, anIAQ look upon it, and, behold, the plague hath not spread in the house, after the house was plastered: then the priest shall pronounce the house clean, because the plague is healed.  . . .
Lev 14:54  This is the law for all manner of plague of leprosy, and scurf,
Lev 14:55  And for the leprosy of a garment, and of a house,
Lev 14:56  And for a rising, and for a scab, and for a bright spot:
Lev 14:57  To teach when it is unclean, and when it is clean: this is the law of leprosy.

Hebrew Lexicon
BDB Definition:
1) leprosy
1a) in people, malignant skin disease (Lev. 13-14)
1b) in clothing, a mildew or mould (Lev_13:47-52)
1c) in buildings, a mildew or mould (Lev. 14:34-53)
Part of Speech: noun feminine
A Related Word by BDB/Strong’s Number: from H6879
Same Word by TWOT Number: 1971a