-s, -es

1

100

industry

industries

200

melody

melodies

300

elf

elves

400

observatory

observatories

500

amenity

amenities

2

100

church

churches

200

eyelash

eyelashes

300

strategy

strategies

400

currency

currencies

500

quality

qualities

3

100

fox

foxes

200

theory

theories

300

patch

patches

400

country

countries

500

destiny

destinies

4

100

dwarf

dwarves

200

society

societies

300

speech

speeches

400

approach

approaches

500

self

selves

5

100

motive

motives

200

belief

believes

300

century

centuries

400

quantity

quantities

500

territory

territories