Truce sits next to 3 phonetic neighbors — Bruce, Spruce, and True are the closest matches by sound. Most share Truce's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"agreement to stop fighting, temporary peace"
"fire (from the sun god Aodh)"
"long hill, ridge"
"venerable, revered"
"fifth"
"powerful ruler"
"highest point, God's place"
"roofer, one who covers"
"valley, hollow"
"fair administration of law"
"defender of men"
"courageous heart"
"all wise (from Norse Alviss)"
"beloved companion"
"son of Jett, black gemstone"
"continuous improvement"
"admirable, worthy"
"glory of the land"
"rock, stone"
"ash tree settlement"
Similar sound: These names share phonetic patterns with Truce — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Middle English origins, giving them the same cultural heritage as Truce.
Rhythm: Truce is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.