Definitions of words in 1 John 5:8:
Blood {Easton's Bible Dictionary}
Blood {International Standard Bible Encyclopedia}
In {International Standard Bible Encyclopedia}
Spirit {Easton's Bible Dictionary}
Spirit {International Standard Bible Encyclopedia}
Three {International Standard Bible Encyclopedia}
Water {International Standard Bible Encyclopedia}
Other definition entries containing 1 John 5:8:
John, The Epistles Of, Part 1-3 {I.S.B.E.}