English irregular plurals, Irregular Plurals List in English;
Codex — Codies
Lavra — Lavrae
Alumna — Alumnae
Erratum — Errata
Ox — Oxen
Oasis — Oases
Swine — Swine
Trout — Trout
Genus — Genera
Focus — Foci
Diagnosis — Diagnoses
Analysis — Analyses
Person — People
Foot — Feet
Tooth — Teeth
Child — Children
Mouse — Mice
Sheep — Sheep
Fish — Fish
Leaf — Leaves
Goose — Geese
Woman — Women
Aircraft — Aircraft
Apex — Apices
Bison — Bison
Crisis — Crises
Curriculum — Curricula
Datum — Data
Focus — Foci
Series — Series
Vita — Vitae
Tuna — Tuna
Quiz — Quizzes
Index — Indices
Man — Men
Ellipsis — Ellipses
