ἀρχι-
archi-
“chief, first”
6 words in English grow from this root.
Archangel
Faithἀρχι-archi-
“chief messenger”
Archbishop
Faithἀρχι-arkhi-
“chief overseer”
Archdeacon
Faithἀρχι-archi-
“chief servant”
Archipelago
Earthἀρχι-archi-
“chief sea”
Architect
Artἀρχι-arkhi-
“chief builder”
Architecture
Artἀρχι-arkhi-
“chief builder's craft”