Rigo sits next to 3 phonetic neighbors — Rico, Diego, and Hugo are the closest matches by sound. Most share Rigo's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"ruler, power"
"work-power, industrious ruler"
"revered, venerable"
"my father is God"
"to be vigorous, to have worth"
"eagle ruler, eagle power"
"young goat (shield bearer)"
"gift of God"
"strong, brave, valiant"
"cinnamon tree"
"dark one"
"the greatest"
"firm, steadfast"
"follower of Christ, Christian"
"sky, heaven"
"priceless, invaluable (from Antonius family name)"
"youthful, downy-bearded"
"precious and bold"
Similar sound: These names share phonetic patterns with Rigo — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Rigo.
Rhythm: Rigo is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.