Janova sits next to 6 phonetic neighbors — Jana, Ivanova, and Geneva are the closest matches by sound. Most share Janova's Slavic cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"river that swallows rivers (from Zaire/Congo origin)"
"noble, exalted"
"bright, shining one"
"Christian, anointed one"
"maiden, girl"
"unique, one of a kind"
"anointed one (via Christos)"
"grace, divine goodwill"
"thunder goddess, feminine form of Tyr"
"untamed, free spirit"
"harmony, freedom from conflict"
"bright, shining (variant of Helen)"
"supplanter"
"gift of God"
"ruler of the home"
"narrow strait"
"suffering, enduring"
"the west wind god"
"graceful, charming (implied by components)"
Similar sound: These names share phonetic patterns with Janova — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew Yochanan via Czech Jana origins, giving them the same cultural heritage as Janova.
Rhythm: Janova is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.