sub-,under-,over-

an underground electric railroad

• underestimate

• subway

• oversleep

• submit

cause to be underwater

• subside

• overwork

• undervalue

• submerge

become less intense, violent, or severe

• subside

• underpass

• undersell

• submit

a warship with a streamlined hull designed to operate completely submerged in the sea for long periods

• underwater

• overbook

• submarine

• underpass

accept or yield to a superior force, to the authority, or will of another person

• overeat

• overwork

• cucumber

• submit

estimate (something) to be smaller or less important than it actually is

• undrestimate

• potato

• overpass

• underwater

rate (something) insufficiently high, fail to appreciate

• subway

• subside

• undersell

• undervalue

situated, occuring, or done beneath the surface of the water

• understand

• underwater

• underpass

• claim

sell something at a lower price than (a competitor)

• fly

• underneath

• undersell

• subway

a road or pedestrian tunnel passing under another road or railroad

• underpass

• submarine

• subside

• submerge