BARK- it can be used as a noun or verb:
1. (N/V) a dog making a harsh, explosive cry.

BRAND- Can be used as a noun or verb:
1. (N/V) Kind, grade, or make, as indicated by a stamp, trademark, or the like: the best brand of coffee.

SUPPORT- Can be a noun or verb:
1. (N/V) To bear or hold up (a load, mass, structure, part, etc.); serve as a foundation for. the act or instance of supporting.

CUSHION- noun or verb:
1. (N/V) A soft bag of cloth, leather, or rubber, filled with feathers, air, foam rubber, etc., on which to sit, kneel, or lie. to place on or support by a cushion.

PAN- two different meanings. can be a noun or verb.
1. (N) A broad, shallow container of metal, usually having sides flaring outward toward the top, used in various forms for frying, baking, washing, etc.
2. (V) Informal. to criticize severely, as in a review of a play.

SEPARATE- can be a verb or adjective:
1. (V) To keep apart or divide, as by an intervening barrier or space: to separate two fields by a fence.
2. (N) detached, disconnected, or dis joined.

JAIL- two different meanings and can be used as a noun or verb:
1. (N) a prison, esp. one for the detention of persons awaiting trial or convicted of minor offenses.
2. (V) to take into or hold in lawful custody; imprison.

SPEAKER- used as a noun…two different meanings:
1. (N) A person who speaks.
2. (N) Also called loudspeaker. an electroacoustic device, often housed in a cabinet, that is connected as a component in an audio system, its function being to make speech or music audible.

ISSUE-verb and noun:
1. (N) The act of sending out or putting forth; promulgation; distribution: the issue of food and blankets to flood victims.
2 (V) to put out; deliver for use, sale, etc.; put into circulation.

that was fun! thank you for asking the question
References :
http://dictionary.reference.com/