Tiger sits next to 3 phonetic neighbors — Tyler, Tyger, and Tigger are the closest matches by sound. Most share Tiger's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"the great beast, tiger"
"bold, narrow strait"
"a group of birds, especially quail"
"watchful, alert"
"dweller by the lake"
"Dutch/Scandinavian spelling of Isaac from Yitzchak"
"hat maker, cap maker"
"from the Roman city of Lindum"
"elegant"
"small fort"
"from the ash tree valley"
"of the river (if -von is from Welsh afon)"
"my help is God"
"God is gracious"
"promised by God"
"possibly derived from Jason (healer) via phonetic alteration"
"son of the grey-haired one"
"sea stone, seaside settlement"
"modern invented name, variant of Javion"
"keeper of the court"
"strong worker's son"
Similar sound: These names share phonetic patterns with Tiger — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Tiger.
Rhythm: Tiger is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.