A — 1: πνοή
(Strong's #4157 — Noun Feminine — pnoe — pno-ay' )

akin to pneo, "to blow," lit., "a blowing," signifies (a) "breath, the breath of life," Acts 17:25; (b) "wind," Acts 2:2 . See WIND.

A — 2: πνεῦμα
(Strong's #4151 — Noun Neuter — pneuma — pnyoo'-mah )

"spirit," also denotes "breath," Revelation 11:11; 13:15 , RV. In 2—Thessalonians 2:8 , the AV has "spirit" for RV, "breath." See GHOST , LIFE , SPIRIT , WIND.

B — 1: ἐμπνέω
(Strong's #1709 — Verb — empneo — emp-neh'-o )

lit., "to breathe in, or on," is used in Acts 9:1 , indicating that threatening and slaughter were, so to speak, the elements from which Saul drew and expelled his breath.

B — 2: ἐμφυσάω
(Strong's #1720 — Verb — emphusao — em-foo-sah'-o )

"to breathe upon," is used of the symbolic act of the Lord Jesus in breathing upon His Apostles the communication of the Holy Spirit, John 20:22 .