Dict: strongs - adelph

Strongs:

G79 @ ἀδελφή adelphē ad-el-fay' Feminine of G80; a sister (natural or ecclesiastical): - sister.

G80 @ ἀδελφός adelphos ad-el-fos' From G1 (as a connective particle) and δελφύς delphus (the womb); a brother (literally or figuratively) near or remote (much like [H1]): - brother.

G81 @ ἀδελφότης adelphotēs ad-el-fot'-ace From G80; brotherhood (properly the feeling of brotherliness) that is (the (Christian) fraternity: - brethren brotherhood.

G5359 @ Φιλαδέλφεια Philadelpheia fil-ad-el'-fee-ah From Φιλάδέλφος Philadelphos (the same as G5361) a king of Pergamos; Philadelphia a place in Asia Minor: - Philadelphia.

G5360 @ φιλαδελφία philadelphia fil-ad-el-fee'-ah From G5361; fraternal affection: - brotherly love (kindness) love of the brethren.

G5361 @ φιλάδελφος philadelphos fil-ad'-el-fos From G5384 and G80; fond of brethren that is fraternal: - love as brethren.

G5569 @ ψευδάδελφος pseudadelphos psyoo-dad'-el-fos From G5571 and G80; a spurious brother that is pretended associate: - false brethren.