Strong's #2181: zanah (pronounced zaw-naw')
 a primitive root (highly-fed and therefore wanton); to commit adultery (usually of the female, and less often of simple fornication, rarely of involuntary ravishment); figuratively, to commit idolatry (the Jewish people being regarded as the spouse of Jehovah):--(cause to) commit fornication, X continually, X great, (be an, play the) harlot, (cause to be, play the) whore, (commit, fall to) whoredom, (cause to) go a-whoring, whorish.
Brown-Driver-Briggs Hebrew Lexicon:
 
  zânâh 
 
 1) to commit fornication, be a harlot, play the harlot
 
 1a) (Qal)
 
 1a1) to be a harlot, act as a harlot, commit fornication
 1a2) to commit adultery
 1a3) to be a cult prostitute
 1a4) to be unfaithful (to God) (figuratively)
 
 1b) (Pual) to play the harlot
 1c) (Hiphil)
 
 1c1) to cause to commit adultery
 1c2) to force into prostitution
 1c3) to commit fornication
 
  Part of Speech: verb
Relation: a primitive root [highly-fed and therefore wanton]
Usage:
This word is used 93 times:
Jeremiah 3:8: "Judah feared not, but went  and played the harlot also."
Jeremiah 5:7: "when I had fed them to the full, they then committed adultery, and assembled themselves  by troops in the harlots houses."
Ezekiel 6:9: "because I am broken with  their whorish heart, which hath departed"
Ezekiel 6:9: "hath departed from me, and with their eyes,  which go a whoring after their idols:"
Ezekiel 16:15: "But thou didst trust in thine own beauty,  and playedst the harlot because and pouredst out thy fornications"
Ezekiel 16:16: "thou didst take, and deckedst thy high places  and playedst the harlot thereupon: the like things shall not come,"
Ezekiel 16:17: "which I had given thee, and madest to thyself images of men,  and didst commit whoredom"
Ezekiel 16:26: " Thou hast also committed fornication with the Egyptians thy neighbors, of flesh; and hast increased"
Ezekiel 16:28: " Thou hast played the whore also with the Assyrians, because thou wast unsatiable;"
Ezekiel 16:28: "also with the Assyrians, because thou wast unsatiable;  yea, thou hast played the harlot with them, and yet"
Ezekiel 16:30: "these things, the work of an imperious  whorish woman;"
Ezekiel 16:31: "street; and hast not been  as a harlot, in that thou scornest hire;"
Ezekiel 16:33: "They give gifts to all  whores: givest thy gifts"
Ezekiel 16:34: "whereas none followeth  thee to commit whoredoms: and in that thou givest a reward, and no reward"
Ezekiel 16:35: "Wherefore,  O harlot, hear the word"
Ezekiel 16:41: "of many women: and I will cause thee to cease from playing the harlot,  from playing the harlot, and thou also shalt give no"
Ezekiel 20:30: "polluted after the manner of your fathers?  and commit ye whoredom after their abominations?"
Ezekiel 23:3: " And they committed whoredoms in Egypt; they committed whoredoms in their youth: were their breasts pressed, and there"
Ezekiel 23:3: "And they committed whoredoms in Egypt;  they committed whoredoms in their youth: were their breasts pressed, and there"
Ezekiel 23:5: "And Aholah  played the harlot when she was mine; and she doted her lovers, on the Assyrians"
Ezekiel 23:19: "the days of her youth, wherein  she had played the harlot in the land of Egypt."
Ezekiel 23:30: "I will do these  things unto thee, because thou hast gone a whoring after and because thou art polluted"
Ezekiel 23:43: "I unto her that was old in adulteries, Will they now  commit whoredoms with her, and she"
Ezekiel 23:44: "her, as they go in unto  that playeth the harlot: so went they in unto Aholah"
Hosea 1:2: "of whoredoms: for the land  hath committed great whoredom, departing from the LORD."
Hosea 1:2: "of whoredoms: for the land hath committed great whoredom,  hath committed great whoredom, departing from the LORD."
Hosea 2:5: "For their mother  hath played the harlot: she that conceived for she said, I will go"
Hosea 3:3: "for me many thou shalt not  play the harlot, and thou shalt not be for another man: so will I"
Hosea 4:10: "For they shall eat, and not have enough:  they shall commit whoredom, increase: because they have left off"
Hosea 4:12: "the spirit of whoredoms hath caused them to err,  and they have gone a whoring from under their God."
Hosea 4:13: "thereof is good: therefore your daughters  shall commit whoredom, and your spouses shall commit adultery."
Hosea 4:14: "punish your daughters when  they commit whoredom, nor your spouses when they commit adultery:"
Hosea 4:14: "for themselves are separated with  whores, and they sacrifice with harlots:"
Hosea 4:15: "Though thou, Israel,  play the harlot, Judah offend; and come"
Hosea 4:18: "Their drink is sour:  they have committed whoredom continually: her rulers do love, Give"
Hosea 4:18: "Their drink is sour: they have committed whoredom continually:  they have committed whoredom continually: her rulers do love, Give"
Hosea 5:3: "me: for now, O Ephraim,  thou committest whoredom, and Israel is defiled."
Hosea 9:1: "as other people: for  thou hast gone a whoring from thy God, thou hast loved"
Joel 3:3: "my people; a boy  for a harlot, and sold a girl for wine, that they might drink."
Amos 7:17: "saith the LORD;  shall be a harlot in the city, and thy sons and thy daughters shall fall"
Micah 1:7: "for she gathered it of the hire  of a harlot, and they shall return to the hire"
Micah 1:7: "of a harlot, and they shall return to the hire  of a harlot."
Nahum 3:4: "Because of the multitude of the whoredoms of the well favored  harlot, of witchcrafts,"