Matthew 1:18 Now the birth of Jesus Christ was on this wise: When as his mother Mary was espoused to Joseph, before they came together, she was found with child of the Holy Ghost. 

Ghost: GREEK LEXICON 

- pneuma {pnyoo'-mah} pneu'ma from 4154; TDNT -- 6:332,876; n n (AV -- Spirit, Holy Ghost, Spirit (of God), Spirit (of the Lord), (My) Spirit, Spirit (of truth), Spirit (of Christ), etc;

Luke 11:13 If ye then, being evil, know how to give good gifts unto your children: how much more shall your heavenly Father give the Holy Spirit to them that ask him? 

Spirit: GREEK LEXICON
- pneuma {pnyoo'-mah} pneu'ma from 4154; TDNT -- 6:332,876; n n (AV -- Spirit, Holy Ghost, Spirit (of God), Spirit (of the Lord), (My) Spirit, Spirit (of truth), Spirit (of Christ), etc;

IF YOU NOTICE, GHOST AND SPIRIT COME FROM THE SAME GREEK WORD. 
THEY MEAN THE SAME THING.
(We truly appreciate the help of Brother Donny Reagan in researching answers to the question above)