List 1 - Singular and Plural Nouns
By adding –s if there is a vowel before the -y
Singular | Plural | Singular | Plural | |
alloy | alloys | joy | joys | |
bay | bays | key | keys | |
boy | boys | kidney | kidneys | |
chimney | chimneys | monkey | monkeys | |
day | days | play | plays | |
decoy | decoys | ray | rays | |
delay | delays | toy | toys | |
donkey | donkeys | tray | trays | |
guy | guys | trolley | trolleys | |
jersey | jerseys | valley | valleys | |
journey | journeys | way | ways |
The ending –is is changed to –es
Singular | Plural |
analysis | analyses |
axis | axes |
basis | bases |
crisis | crises |
diagnosis | diagnoses |
ellipsis | ellipses |
hypothesis | hypotheses |
oasis | oases |
parenthesis | parentheses |
thesis | theses |
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