Gauge sits next to 4 phonetic neighbors — Gage, Sage, and Page are the closest matches by sound. Most share Gauge's Old North French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"measuring instrument, standard dimension"
"one who struggles with God"
"the unseen"
"little wolf"
"priceless, flourishing (via Anthony/Antonius)"
"stammering"
"courteous, well-bred, polite"
"one of free status"
"ancient, enduring, long-standing"
"from the long shore"
"broad hill"
"oak tree"
"faith, religion"
"from the place of Einion"
"God is my reward"
"noble, bright one"
"geographic name from ancient Gaulish"
"creative elaboration, bold individual"
"most beautiful"
"God will strengthen, God strengthens"
"my God is Yahweh"
Similar sound: These names share phonetic patterns with Gauge — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old North French origins, giving them the same cultural heritage as Gauge.
Rhythm: Gauge is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.