sub vs torpedo

noun

A submarine sandwich: a sandwich made on a long bun.
Subsistence money: part of a worker's wages paid before the work is finished.
A subtitle.
A subroutine (sometimes one that does not return a value, as distinguished from a function, which does).
A substitute, often in sports or teaching.
A subcontractor.
A subeditor.
A submarine.
A subwoofer.
A subscription: a payment made for membership of a club, etc.
A submissive.
A subscription (or (by extension) a subscriber) to an online channel or feed.

prep

verb

To replace (a player) with a substitute.
To substitute for.
To lend.
To subscribe.
To take a submissive role.
To coat with a layer of adhering material; to planarize by means of such a coating.
To work as a substitute teacher, especially in primary and secondary education.
To prepare (a slide) with a layer of transparent substance to support and/or fix the sample.
Less commonly, and often as sub on, to bring on (a player) as a substitute.
To subtitle (usually a film or television program).
To perform the work of a subeditor or copy editor; to subedit.

noun

A submarine sandwich.
A similar projectile that can travel through space.
A professional gunman or assassin.
An electric ray of the genus Torpedo.
A kind of firework in the form of a small ball, or pellet, which explodes when thrown upon a hard object.
A small explosive device attached to the top of the rail to provide an audible warning when a train passes over it.
A thick marijuana cigarette.
A cigarette containing marijuana and crack cocaine.
An automobile with a streamlined profile and a folding or detachable soft top, and having the hood or bonnet line raised to be level with the car's waistline, resulting in a straight beltline from front to back.
A woman's shoe with a pointed toe.
A cylindrical explosive projectile that can travel underwater and is used as a weapon.
A large breast; a breast with a large nipple.

verb