un·der·use 
(ŭn′dər-yz)
(ŭn′dər-yz)tr.v. un·der·used, un·der·us·ing, un·der·us·es
To use to a lesser degree than is normal or desirable.
un′der·use (-ys) n.
- housepainter
- house painter
- houseparent
- house party
- houseperson
- house physician
- houseplant
- house-proud
- house-raising
- houseroom
- house seat
- housesit
- housesitter
- house snake
- house sparrow
- house staff
- housetop
- house trailer
- housetrain
- house-train
- housetrained
- housewares
- housewarming
- housewife
- housewifeliness