-th

"-th" in Portuguese

avo (8, 18, 28, …)

(used to form the ordinal numeral)

to (4, 5, 6, 14, 15, 16, …)

(used to form the ordinal numeral)

ésimo

(used to form the ordinal numeral)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.