Tierra sits next to 4 phonetic neighbors — Sierra, Tiara, and Tara are the closest matches by sound. Most share Tierra's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"earth, land"
"ship, navigation"
"sword meadow"
"arrogant, haughty"
"dream, vision, aspiration"
"mountain of strength"
"festive celebration (archaic)"
"divine wisdom, celestial intelligence"
"strength of the spear"
"victory"
"Yahweh has been gracious"
"of the water"
"noble, exalted"
"narrow strait"
"God is gracious"
"fleet of ships, navigator"
"of the Cree people"
"love, beloved"
"helper"
"grace + God is my oath (Anna + Lisa)"
"dawn, aurora, morning light"
Similar sound: These names share phonetic patterns with Tierra — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish from Latin terra origins, giving them the same cultural heritage as Tierra.
Rhythm: Tierra is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.