Deed As a noun An action or act; something that is done. * Bible, Genesis xliv. 15 And Joseph said to them, What deed is this which ye have done? A brave or noteworthy action; a feat or exploit. * Spenser knightly deeds * Dryden whose deeds some nobler poem shall adorn Action or fact, as opposed to rhetoric or deliberation. I have fulfilled my promise in word and in deed . (legal) A legal contract showing bond. I inherited the deed to the house. Derived terms * indeed Verb (en-verb) (informal) To transfer real property by deed. He deeded over the mineral rights to some fellas from Denver. To think Verb (label) To ponder, to go over in one's head. To communicate to oneself in one's mind, to try to find a solution to a problem. To conceive of something or someone (usually followed by of'''; infrequently, by '''on ). (label) To be of the opinion (that). (label) To guess; to reckon. (label) To consider, judge, regard, or look upon (something) as. To plan; to be considering; to be of a mind (to do something). *Sir (Walter Scott), (Ivanhoe) To presume; to venture. *(Bible), (w) iii. 9 *:Think not to say within yourselves, We have Abraham to our father. Synonyms * (sense, communicate to oneself in one's mind) cogitate, ponder, reflect, ruminate; see also * opine; see also * guess (US), imagine, reckon, suppose * consider, deem, find, judge, regard; see also Derived terms * rethink * think about * thinker * thinko * think of * think on one's feet * think out * think over (rel-mid) * think piece * think the world of * think twice * think up * think with one's little head * unthinkable (rel-bottom) Noun (en-noun) An act of thinking; consideration (of something). Derived terms * badthink * doublethink * goodthink (rel-mid) * groupthink * have another think coming * rethink (noun, as in "have a rethink") (rel-bottom) I hope this helps.

Many differences! First the word class: One is a verb, the other a noun. A "deed" is an action. "To think" is the act of thinking.