Friday, April 5, 2013

Irregular plural nouns - a reference

In words borrowed from Latin, the Latin plural forms are used.
cactuscacti
SINGULAR—USPLURAL – i
cactus cacti cactuses
fungus /ˈfʌŋ-gəs/fungi /ˈfʌn-dʒaɪ, ˈfʌŋ-gaɪ/
nucleus /ˈnu-kli-əs/nuclei /ˈnu-kli-ˌaɪ/
stimulusstimuli
syllabus /ˈsɪl-ə-bəs/syllabi /ˈsɪl-ə-baɪ/
SINGULAR—ON, —UMPLURAL –A
phenomenon Greek / Latinphenomena /fɪˈ-nɒ-mə-nə/
criterion Greek / Latincriteria
bacterium Latinbacteria
curriculum Latincurricula
datum Latindata /ˈde-ɪtə, ˈdæ-tə, ˈdɑ-tə/
medium Latinmedia
memorandum Latinmemoranda
SINGULAR—APlural –AE
formula /ˈfɔrmyələ/ Latinformulas / formulae /ˈfɔrm-yə-li/
vertebra Latinvertebrae
SINGULAR—IX, —EXPlural –ICES, –ES,
appendix /əˈpɛn-dɪks/ Latinappendices / ixes /əˈpɛn-də-siz/
index Latin
indices / indexes

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