CON - To study, especially in order to gain knowledge of.
DEN - The home of certain animals.
DOC - A doctor.
END - The final point of something in space or time.
NOD - To incline the head up and down, as to indicate agreement.
ONE - A numerical value equal to 1; the first number in the set of natural numbers (especially in number theory); the cardinality of the smallest nonempty set. Ordinal: first.
DOE - A female deer; also used of similar animals such as reindeer, antelope, goat.
ODE - A short poetical composition proper to be set to music or sung; a lyric poem; esp., now, a poem characterized by sustained noble sentiment and appropriate dignity of style.
DON - A university professor, particularly one at Oxford or Cambridge.
CODE - A short symbol, often with little relation to the item it represents.
COKE - Solid residue from roasting coal in a coke oven; used principally as a fuel and in the production of steel and formerly as a domestic fuel.
CONE - A surface of revolution formed by rotating a segment of a line around another line that intersects the first line.
DECK - Any flat surface that can be walked on: a balcony; a porch; a raised patio; a flat rooftop.
DOCK - Any of the genus Rumex of coarse weedy plants with small green flowers related to buckwheat, especially the common dock, and used as potherbs and in folk medicine, especially in curing nettle rash.
DONE - Ready, fully cooked.
NECK - The part of body connecting the head and the trunk found in humans and some animals.
NODE - A knot, knob, protuberance or swelling.
COED - Alternative spelling of co-ed.
KNOCK - An abrupt rapping sound, as from an impact of a hard object against wood.
KNOCKED - Simple past tense and past participle of knock.