ACT - Something done, a deed.
ASH - The solid remains of a fire.
CAT - Any similar animal of the family Felidae, which includes lions, tigers, bobcats, etc.
HAS - Third-person singular simple present indicative form of have.
HAT - A covering for the head, often in the approximate form of a cone or a cylinder closed at its top end, and sometimes having a brim and other decoration.
SAT - Simple past tense and past participle of sit.
WAS - First-person singular simple past tense indicative of be.
SAC - A bag or pouch inside a plant or animal that typically contains a fluid.
CASH - Money in the form of notes/bills and coins, as opposed to cheques/checks or electronic transactions.
CAST - To perform, bring forth (a magical spell or enchantment).
CHAT - To be engaged in informal conversation.
SWAT - To beat off, as insects; to bat, strike, or hit.
WASH - To clean with water.
WHAT - Which thing, event, circumstance, etc.: used interrogatively in asking for the specification of an identity, quantity, quality, etc.
WATCH - A portable or wearable timepiece.
SWATH - The track cut out by a scythe in mowing.
SWATCH - A piece, pattern, or sample, generally of cloth or a similar material.
THAW - To melt, dissolve, or become fluid (specifically by gradual warming); to soften; said of that which is frozen.
SAW - A tool with a toothed blade used for cutting hard substances, in particular wood or metal.