Going from Vietnamese to Guarani (AvaΓ±e'αΊ½) has a composite linguistic distance of 66% (heuristic estimate). Below is the dimension-by-dimension breakdown.
Shared vocabulary, cognates, and loanwords.
Morphology, syntax, word order, cases.
Shared sounds and phoneme inventory.
Latin β Latin
Austroasiatic β Tupian
The 5 languages with the lowest linguistic distance from Vietnamese:
A quick 3-question check between Vietnamese and Guarani. No signup.