Karthikeya sits next to 3 phonetic neighbors — Kartikey, Murugan, and Skanda are the closest matches by sound. Most share Karthikeya's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Kartikey, the god of war"
"connected, one who follows"
"one who pursues virtue"
"man, human being, the thinking one"
"grace of Shiva"
"without noise, quiet"
"the all-encompassing one"
"bull, strong one (Rishabhdev in Jainism)"
"First ray of the sun; the reddish light of dawn"
"one with qualities of a rishi (holy sage)"
"reflection, contemplation"
"strength, power"
"king, ruler"
"I am That (divine consciousness)"
Similar sound: These names share phonetic patterns with Karthikeya — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Karthikeya.
Rhythm: Karthikeya is a 5-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.