Johnatha sits next to 4 phonetic neighbors — Jonathan, Jonathon, and Nathaniel are the closest matches by sound. Most share Johnatha's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God has given, gift of God"
"God is gracious"
"powerful, keen warrior"
"little saint, holy one"
"remedy, cure"
"beauty"
"desired, longed for"
"one who cuts cloth or stone"
"clerk, scholar, scribe"
"my God"
"son of him who abounds in furrows"
"my judge"
"spear"
"one who tends a gate or hatchway"
"handsome, born of fire"
"God is the Lord"
"home ruler (from Henry)"
"prince, noble one"
"defender of men"
"favored, blessed"
Similar sound: These names share phonetic patterns with Johnatha — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Johnatha.
Rhythm: Johnatha is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.