Strong's #4336: proseuchomai (pronounced pros-yoo'-khom-ahee)
 from 4314 and 2172; to pray to God, i.e. supplicate, worship:--pray (X earnestly, for), make prayer.
Thayer's Greek Lexicon:
 ́ 
 
  proseuchomai 
 
 1) to offer prayers, to pray
 
  Part of Speech: verb
Relation: from G4314 and G2172
  Citing in TDNT: 2:807, 279
 
Usage:
This word is used 88 times:
Matthew 5:44: "to them that hate you, and  pray for them which despitefully use you, and"
Matthew 6:5: "And when  thou prayest, thou shalt not be as the hypocrites"
Matthew 6:5: "hypocrites are: for they love  to pray standing in the synagogues"
Matthew 6:6: "But thou, when  thou prayest, enter into thy closet,"
Matthew 6:6: "when thou hast shut thy door,  pray to thy Father which is in"
Matthew 6:7: "But  when ye pray, use not vain repetitions, as the heathen do: for"
Matthew 6:9: "After this manner therefore  pray ye: Our Father which art in"
Matthew 14:23: "when he had sent the multitudes away, he went up into a mountain apart  to pray: and"
Matthew 19:13: "his hands on them, and  pray: and the disciples rebuked"
Matthew 23:14: "houses, and for a pretence  make long prayer: therefore ye shall receive"
Matthew 24:20: "But  pray ye that your flight be not in the winter,"
Matthew 26:36: "ye here, while I go  and pray yonder."
Matthew 26:39: "on his face,  and prayed, saying, O my Father,"
Matthew 26:41: "Watch and  pray, that ye enter not into temptation:"
Matthew 26:42: "again the second time,  and prayed, saying, O my Father, if"
Matthew 26:44: "them, and went away again,  and prayed the third time, saying the"
Mark 1:35: "into a solitary place, and there  prayed."
Mark 6:46: "when he had sent them away, he departed into a mountain  to pray."
Mark 11:24: "I say unto you, What things soever ye desire,  when ye pray, believe"
Mark 11:25: "And when ye stand  praying, forgive, if ye have aught"
Mark 12:40: "houses, and for a pretence  make long prayers: these shall receive greater"
Mark 13:18: "And  pray ye that your flight be not in the winter."
Mark 13:33: "Take ye heed, watch and  pray: for ye know not when"
Mark 14:32: "Sit ye here, while  I shall pray."
Mark 14:35: "the ground, and  prayed that, if it were possible,"
Mark 14:38: "Watch ye and  pray, lest ye enter into temptation. The"
Mark 14:39: "And again he went away,  and prayed, and spake the same words."
Luke 1:10: "of the people were  praying without at the time of incense."
Luke 3:21: "also being baptized, and  praying, the heaven was opened,"
Luke 5:16: "himself into the wilderness, and  prayed."
Luke 6:12: "that he went out into a mountain  to pray, and continued all night in"
Luke 6:28: "them that curse you, and  pray for them which despitefully use you."
Luke 9:18: "as he was alone  praying, his disciples were with him: and"
Luke 9:28: "and went up into a mountain  to pray."
Luke 9:29: "And as he  prayed, the fashion of his countenance"
Luke 11:1: "it came to pass, that, as he was  praying in a certain place, when"
Luke 11:1: "Lord, teach us  to pray, as John also taught"
Luke 11:2: "he said unto them, When  ye pray, say, Our Father which"
Luke 18:1: "unto them to this end, that men ought always  to pray, and not to faint;"
Luke 18:10: "into the temple  to pray; the one a Pharisee, and"
Luke 18:11: "The Pharisee stood  and prayed thus with himself, God,"
Luke 20:47: "houses, and for a show  make long prayers: the same shall receive greater"
Luke 22:40: "place, he said unto them,  Pray that ye enter not into temptation."
Luke 22:41: "cast, and kneeled down,  and prayed,"
Luke 22:44: "being in an agony  he prayed more earnestly: and his sweat"
Luke 22:46: "Why sleep ye? rise  and pray, lest ye enter into temptation."
Acts 1:24: "And  they prayed, and said, Thou, Lord, which knowest the hearts of all men, show"
Acts 6:6: "the apostles: and  when they had prayed, they laid their hands on them."
Acts 8:15: "Who, when they were come down,  prayed for them, that they might receive the Holy"
Acts 9:11: "of Tarsus: for, behold,  he prayeth,"