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SINGULAR
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PLURAL
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addendum
|
addenda
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Bacterium
|
bacteria
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corrigendum
|
corrigenda
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Erratum
|
errata
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Ovum
|
Ova
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Stratum
|
strata
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Agenda
|
Agenda
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Data
|
data
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Aquarium
|
Aquaria, aquariums
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Curriculum
|
Curricula, curriculums
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Forum
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Fora, forums
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Medium
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Media, mediums
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Memorandum
|
Memoranda, memorandums
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Stadium
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Stadia, stadiums
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Symposium
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Symposia, symposiums
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Ultimatum
|
Ultimata, ultimatums
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Analysis
|
analyses
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Basis
|
bases
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thesis
|
theses
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Crisis
|
crises
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Diagnosis
|
diagnoses
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Hypothesis
|
hypotheses
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oasis
|
oases
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synopsis
|
synopses
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ellipis
|
ellipses
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alumnus
|
alumni
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bacillus
|
bacilli
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locus
|
loci
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Stimulus
|
stimuli
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genus
|
genera
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Cactus
|
Cacti / cactuses
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focus
|
foci
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fungus
|
Fungi/ funguses
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nucleus
|
Nuclei / nucleuses
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radius
|
Radii / radiuses
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stylus
|
Styli / styluses
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syllabus
|
Syllabi/ syllabuses
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Terminus
|
Termini / terminuses
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Genius
|
Geniuses
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Criterion
|
Criteria
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Phenomenon
|
phenomena
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antena
|
Antenae, antenas
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formula
|
Formulae, formulas
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