G4925 συνοικοδομέω (synoikodoméō)

KJV renderings: build together
Strong's definition: to construct, i.e. (passively) to compose (in company with other Christians, figuratively)
Derivation: from G4862 (σύν) and G3618 (οἰκοδομέω);

From James Strong's public-domain dictionaries (G), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.