Power sits next to 4 phonetic neighbors — Powell, Tower, and Bower are the closest matches by sound. Most share Power's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"strength, authority, force"
"dawn counsel, wise before dawn"
"to tame (via Damian root)"
"serious, earnest"
"Beorhtsige's town"
"son of the wave, born of the sea"
"thorny shrub, wild rose"
"nurse, foster-mother (occupational surname)"
"Maker of barrels and casks"
"divine gift (blended)"
"may God protect"
"strength, grace, given by God"
"bramble, prickly plant"
"fair warrior, fair hero"
"guardian of riches"
"of the Jordan River"
"deserving of praise, earned reward"
"noble, exalted, lofty"
"noble, honorable"
"enclosed woodland"
Similar sound: These names share phonetic patterns with Power — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French/Latin origins, giving them the same cultural heritage as Power.
Rhythm: Power is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.