Tiếng Anh vui: những danh từ số nhiều bất qui tắc
Thường thì khi chuyển một danh từ sang số nhiều, hầu hết chỉ cần thêm chữ /s/ ở cuối chữ (car –> cars; dog –> dogs), ngoại trừ 100 chữ sau:
Addendum –> addenda hay addendums
Alumna –> alumnae> allumnae
Alumnus –> alumni
Analysis –> analyses
Antena –> antennae hay antennas
Antithesis –> antitheses
Apex –> apices hay apexes
Appendix → appendices
Axis –> axes
Bacillus –> bacilli
Basis –> bases
Beau –> baux hay baus
Bureau –> bureaux hay bureaus
Château –> châteaux hay châteaus
Child –> children
Codex –> codices
Concerto –> concerti hay concertos
Corpus –> corpora
Crisis –> crises
criterion –> criteria hay criterions
Datum –> data
Diagnosis –> diagnoses
Die –> dice hay dies
Draft –> dwarves hay drafts
Ellipsis –> ellipses
Erratum –> errata
Fez –> fesses hay fezes
Formula –> formulae hay formulas
Fungus –> fungi hay funguses
Genus –> genera hay genuses
Goose → Geese
Graffito –> graffiti
Haft –> halves
Hoof –> hooves hay hoofs
Hypothesis –> hypotheses
Index –> indices
Libretto –> libretti hay librettos
Loaf –> loaves
Locus –> loci
Louse –> lice
Man, women –> men, women
Matrix –> matrices hay matrixes
Medium –> media hay mediums
Memorandum –> memoranda hay memorandums
Minutia –> minutiae
Mouse → mice
Nebula –> nebulae hay nebulas
Oasis –> oases
Opus –> opera hay opuses
Ovum –> ova
Parenthesis –> parentheses
Phenomenon –> phenomena hay phenomenons
Phylum –> phyla
Quiz –> quizzes
Radius –> radii hay radiuses
Scaft –> scarves hay scafts
self –> selves
Stimulus –> stimuli
Stratum –> strata
Syllabus –> syllabi hay syllabuses
Symp[osium –> synpasia hay synposiums
Synopsis –> synopses
Tableau –> tableaux hay tableaus
Theses –> theses
Thief –> thieves
Tooth –> teeth
Vertebra –> vertebrae hay vertebras
Vertex –> vertices hay vertexes
Vita –> vitae
vortex –> vortices hay vortexes
wharf –> wharves hay wharfs
wife –> wives
wolf –> wolves
Các chữ giữ nguyên mẫu khi chuyển sang số nhiều:
– Aircraft –> Aircraft (1 chiếc máy bay là 1 aicraft; 1 triệu chiếc là 1000000 aircraft)
– Bison –> bison
– Cactus –> cactus hay cacti hay cactuses
– Deer → deer hay deers
– Faux pas –> faux pas
– Fish –> fish hay fishes
– Foot –> foot hay feet
– Grouse –> grouse hay grouses
– Larva –> larva hay larvae hay larvas
– Moose –> moose
– Offspring –> offspring hay offsprings
– Ox –> ox hay oxen
– Referendum –> referenda hay referendums
– Salmon –> salmon hay salmons
– Series –> series
– Sheep –> sheep
– Shrimp –> shrimp hay shrimps
– Species –> species
– Swine –> swine
– Trout –> trout hay trouts
– Tuna –> tuna hay tunas
