Strong's #4862: sun (pronounced soon)
 a primary preposition denoting union; with or together (but much closer than 3326 or 3844), i.e. by association, companionship, process, resemblance, possession, instrumentality, addition, etc.:--beside, with. In composition it has similar applications, including completeness.
Thayer's Greek Lexicon:
 ́ 
 
  sun 
 
 1) with
 
  Part of Speech: preposition
Relation: a primary preposition denoting union
  Citing in TDNT: 7:766, 1102
 
Usage:
This word is used 125 times:
Matthew 25:27: "I should have received mine own  with usury."
Matthew 26:35: "I should die  with thee, yet will I not deny thee."
Matthew 27:38: "were there two thieves crucified  with him, one on the right hand,"
Mark 2:26: "priests, and gave also to them which were  with him?"
Mark 4:10: "they that were about him  with the twelve asked of him"
Mark 8:34: "when he had called the people  unto him with his disciples also, he said unto them,"
Mark 9:4: "there appeared unto them Elijah  with Moses: and they were talking with"
Mark 15:27: "And  with him they crucify two thieves; the one on"
Luke 1:56: "And Mary abode  with her about three months,"
Luke 2:5: "To be taxed  with Mary his espoused wife, being great with child."
Luke 2:13: "And suddenly there was  with the angel a multitude of the heavenly"
Luke 5:9: "was astonished, and all that  were with him, at the"
Luke 5:19: "let him down through the tiling  with his couch into"
Luke 7:6: "Then Jesus went  with them. And when he was"
Luke 7:12: "of the city was  with her."
Luke 8:1: "kingdom of God: and the twelve  were with him,"
Luke 8:38: "besought him that he might be  with him: but Jesus sent him away,"
Luke 9:32: "Peter and they  that were with him were heavy with sleep:"
Luke 19:23: "coming I might have required mine own  with usury?"
Luke 20:1: "the scribes came upon  him with the elders,"
Luke 22:14: "the twelve apostles  with him."
Luke 22:56: "This man was also  with him."
Luke 23:11: "And Herod  with his men of war set him at naught, and"
Luke 23:32: "other, malefactors, led  with him to be put to death."
Luke 23:35: "the rulers also  with them derided him, saying, He saved"
Luke 24:1: "which they had prepared, and certain  others with them."
Luke 24:10: "the mother of James, and other  women that were with them, which told these things"
Luke 24:21: "have redeemed Israel: and  beside all this, today"
Luke 24:24: "And certain of them  which were with us went to the"
Luke 24:29: "And he went in to tarry  with them."
Luke 24:33: "gathered together, and them  that were with them,"
Luke 24:44: "you, while I was yet  with you, that all things must"
John 18:1: "had spoken these words, he went forth  with his disciples over the"
John 21:3: "We also go  with thee. They went forth, and entered"
Acts 1:14: "with one accord in prayer and supplication,  with the women, and Mary"
Acts 1:14: "the mother of Jesus, and  with his brethren."
Acts 1:17: "For he was numbered  with us, and had obtained part"
Acts 1:22: "be ordained to be a witness  with us of his resurrection."
Acts 2:14: "But Peter, standing up  with the eleven, lifted up his"
Acts 3:4: "fastening his eyes upon him  with John, said, Look on"
Acts 3:8: "walked, and entered  with them into the temple,"
Acts 4:13: "of them, that they had been  with Jesus."
Acts 4:14: "man which was healed standing  with them, they could say nothing against"
Acts 4:27: "and Pontius Pilate,  with the Gentiles, and the people of Israel,"
Acts 5:1: "man named Ananias,  with Sapphira his wife, sold"
Acts 5:17: "and all they  that were with him, (which is the sect of the"
Acts 5:21: "high priest came, and they  that were with him, and called the council together,"
Acts 5:26: "went the captain  with the officers, and brought them"
Acts 8:20: "Thy money perish  with thee, because"
Acts 8:31: "he desired Philip that he would come up and sit  with him."