Going from Dutch to Tigrinya (α΅ααα) has a composite linguistic distance of 84% (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 Ge'ez
Indo-European β Afro-Asiatic
The 5 languages with the lowest linguistic distance from Dutch:
A quick 3-question check between Dutch and Tigrinya. No signup.