Drain

absorbedero

(conduit for rainwater)

aliviadero

(conduit for rainwater)

desaguadero

(conduit for liquids)

desaguadero

(something consuming resources with no gains)

desaguador

(conduit for liquids)

desagüe

(conduit for liquids)

dren

(conduit for liquids)

drenaje

(conduit for liquids)

sangría

(something consuming resources with no gains)

sumidero

(conduit for rainwater)

tubo abierto

(something consuming resources with no gains)

agotar

(deplete of energy)

desaguar

(cause liquid to flow out of)

desaguar

(dry out a wet place)

desecar

(dry out a wet place)

drenar

(to lose liquid)

perder

(to lose liquid)