Strong's #3282: ya`an (pronounced yah'-an)
 from an unused root meaning to pay attention; properly, heed; by implication, purpose (sake or account); used adverbially to indicate the reason or cause:--because (that), forasmuch (+ as), seeing then, + that, + wheras, + why.
Brown-Driver-Briggs Hebrew Lexicon:
 
  ya‛an 
 
 1) because, therefore, because that, on account of (conjunction)
 2) because of, on account of (preposition)
 3) why (with interrogative pronoun) (preposition)
 
  Part of Speech: see above in Definition
Relation: from an unused root meaning to pay attention
Usage:
This word is used 96 times:
Genesis 22:16: "saith the LORD, for  because thou hast done this"
Leviticus 26:43: "shall accept of the punishment of their iniquity:  because, even because they despised my judgments, and because their soul"
Leviticus 26:43: "of the punishment of their iniquity: because,  even because they despised my judgments, and because their soul abhorred"
Numbers 11:20: "it come out and it be loathsome  unto you: because that ye have despised"
Numbers 20:12: "unto Moses and Aaron,  Because ye believed me not, to sanctify me in the eyes"
Deuteronomy 1:36: "that he hath trodden upon, and to his children,  because he hath wholly followed the LORD."
Joshua 14:14: "the Kenezite unto this day,  because that he wholly followed"
Judges 2:20: "was hot against Israel; and he said,  Because that this people hath transgressed"
1 Samuel 15:23: "and stubbornness and idolatry.  Because thou hast rejected the word of the LORD,"
1 Samuel 30:22: "went with David, and said,  Because they went not"
1 Kings 3:11: "And God said unto  him, Because thou hast asked this"
1 Kings 8:18: "unto David my father,  Whereas it was in thine heart"
1 Kings 11:11: "Wherefore the LORD said unto Solomon,  Forasmuch as is done of"
1 Kings 11:33: " Because that they have forsaken me, and have worshiped Ashtoreth of the Zidonians, Chemosh"
1 Kings 13:21: "Thus saith the LORD,  Forasmuch as thou hast disobeyed the mouth of the LORD,"
1 Kings 14:7: "God of Israel,  Forasmuch as I exalted thee from among"
1 Kings 14:13: "of Jeroboam shall come to the grave,  because in him there is found some good thing"
1 Kings 14:15: "to their fathers, and shall scatter them beyond the river,  because they have made"
1 Kings 16:2: " Forasmuch as I exalted thee out of the dust, and made over"
1 Kings 20:28: "Thus saith the LORD,  Because the Syrians have said, The LORD"
1 Kings 20:36: "Then said  he unto him, Because thou hast not obeyed the voice behold,"
1 Kings 20:42: "him, Thus saith the LORD,  Because thou hast let go out of thy hand"
1 Kings 21:20: "And he answered, I have found  thee: because thou hast sold thyself to work evil in the sight"
1 Kings 21:29: "Ahab humbleth himself before  me? because he humbleth himself before"
2 Kings 1:16: "him, Thus saith the LORD,  Forasmuch as thou hast sent messengers to inquire"
2 Kings 10:30: "said unto Jehu,  Because in executing that which is right"
2 Kings 19:28: " Because thy rage against me and thy tumult is come up therefore I will put my hook"
2 Kings 21:11: " Because Manasseh king of Judah hath done abominations,"
2 Kings 21:15: " Because they have done that which was evil in my sight, provoked me to anger,"
2 Kings 22:19: " Because thine heart was tender, and thou hast humbled thyself before when thou heardest"
2 Chronicles 1:11: "And God said to Solomon,  Because this in"
2 Chronicles 34:27: " Because thine heart was tender, and thou didst humble thyself before when thou heardest"
Psalms 109:16: " Because that he remembered not to show but persecuted the poor"
Proverbs 1:24: " Because I have called, and ye refused; I have stretched out my hand, regarded;"
Isaiah 3:16: "Moreover the LORD saith,  Because the daughters of Zion and walk"
Isaiah 7:5: " Because Syria, Ephraim, and the son of Remaliah, counsel"
Isaiah 8:6: " Forasmuch as this people refuseth of Shiloah"
Isaiah 29:13: "Wherefore the Lord said,  Forasmuch as this people me with their mouth,"
Isaiah 30:12: "saith the Holy One of Israel,  Because ye despise this word, and trust"
Isaiah 37:29: " Because thy rage against me, and thy tumult, is come up therefore will I put my hook"
Isaiah 61:1: "of the Lord GOD is upon  me; because hath anointed me to preach good tidings unto the meek;"
Isaiah 65:12: "and ye shall all bow down to the slaughter:  because when I called, ye did not answer; when I spoke,"
Isaiah 66:4: "their delusions, and will bring  upon them; because when I called, none did answer; when I spoke,"
Jeremiah 5:14: "the LORD God  Because ye speak this word,"
Jeremiah 7:13: "And now,  because ye have done all works, saith"
Jeremiah 19:4: " Because they have forsaken me, and have estranged this and have burned incense"
Jeremiah 23:38: "saith the LORD;  Because ye say this word,"
Jeremiah 25:8: "saith the LORD of hosts;  Because ye have not heard"
Jeremiah 29:23: " Because they have committed villainy in Israel, and have committed adultery their neighbors'"
Jeremiah 29:25: "the God saying,  Because thou hast sent letters"