The Top 100 Irregular Plural Nouns In English
The list gives you the top 100 most frequently used English irregular plural nouns in alphabetical order.
- addendum addenda or addendums
- aircraft aircraft
- alumna alumnae
- alumnus alumni
- analysis analyses
- antenna antennae or antennas
- antithesis antitheses
- apex apices or apexes
- appendix appendices or appendixes
- axis axes
- bacillus bacilli
- bacterium bacteria
- basis bases
- beau beaux or beaus
- bison bison
- bureau bureaux or bureaus
- cactus cacti or cactus or cactuses
- château châteaux or châteaus
- child children
- codex codices
- concerto concerti or concertos
- orpus corpora
- crisis crises
- criterion criteria or criterions
- curriculum curricula or curriculums
- datum data
- deer deer or deers
- diagnosis diagnoses
- die dice or dies
- dwarf dwarves or dwarfs
- ellipsis ellipses
- erratum errata
- faux pas faux pas
- fez fezzes or fezes
- fish fish or fishes
- focus foci or focuses
- foot feet or foot
- formula formulae or formulas
- fungus fungi or funguses
- genus genera or genuses
- goose geese
- graffito graffiti
- grouse grouse or grouses
- half halves
- hoof hooves or hoofs
- hypothesis hypotheses
- index indices or indexes
- larva larvae or larvas
- libretto libretti or librettos
- loaf loaves
- locus loci
- louse lice
- man men
- matrix matrices or matrixes
- medium media or mediums
- memorandum memoranda or memorandums
- minutia minutiae
- moose moose
- mouse mice
- nebula nebulae or nebulas
- nucleus nuclei or nucleuses
- oasis oases
- offspring offspring or offsprings
- opus opera or opuses
- ovum ova
- ox oxen or ox
- parenthesis parentheses
- phenomenon phenomena or phenomenons
- phylum phyla
- quiz quizzes
- radius radii or radiuses
- referendum referenda or referendums
- salmon salmon or salmons
- scarf scarves or scarfs
- self selves
- series series
- sheep sheep
- shrimp shrimp or shrimps
- species species
- stimulus stimuli
- stratum strata
- swine swine
- syllabus syllabi or syllabuses
- symposium symposia or symposiums
- synopsis synopses
- tableau tableaux or tableaus
- thesis theses
- thief thieves
- tooth teeth
- trout trout or trouts
- tuna tuna or tunas
- vertebra vertebrae or vertebras
- vertex vertices or vertexes
- vita vitae
- vortex vortices or vortexes
- wharf wharves or wharfs
- wife wives
- wolf wolves
- woman women