עַמּוֹנִי (ʿammônî) is
a Hebrew proper noun
meaning Ammonite. It appears
18 times
in 8 books of the Hebrew Bible
(Strong's H5984).
Same Hebrew root (TWOT 1642a)
Range of meaning (TWOT 1642a)Ammonite; Ammonitish; Ammonites
Full entry: Brown-Driver-Briggs and Strong's
עַמּוֹנִיadjective, gentilic: Ammonite
עַמֹּנִי adjective, gentilic Ammonite
Strong's H5984עַמּוֹנִי: an Ammonite or (the adjective) Ammonitish KJV:Ammonite(-s).
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 1642: עַמּוֹןʿammôn — Ammon; Ammonites