Unit 29 - Spelling the word endings ous and us

Learn to spell English words ous and us Learn to spell English words ous and us
ous as in poisonous us as in cactus

Teaching point This Unit teaches another example of the weak schwa sound in a final syllable: /Əs /.

There is a clear rule to tell you whether to use ous or us:

If the word is an adjective, the spelling is ous:   poisonous, dangerous
If the word is a noun, the spelling is us:   cactus, octopus

If you are unsure about nouns and adjectives, click here for help.

Some examples:

Learn to spell English words ous and us Learn to spell English words ous and us
ous as in venomous us as in octopus
Adjectives:
adventurous
anonymous
bigamous
boisterous
cancerous
disastrous
enormous
fabulous
famous
frivolous
generous
hazardous
intravenous
jealous
joyous
ludicrous
luminous
marvellous
(US marvelous)
miraculous
mischievous
momentous
monstrous
mountainous
nervous
numerous
ominous
prosperous
ravenous
ridiculous
tremendous
zealous
Nouns:
circus
crocus
focus
discus
exodus
fungus
surplus
bonus
sinus
rumpus
chorus
virus
census
cactus
lotus
status

abacus
consensus
exodus
genius
impetus
prospectus
stimulus
syllabus
terminus
tetanus
thesaurus
uterus
apparatus
asparagus
brontosaurus
hippopotamus
Rule breakers break spelling rules Three more words spelled with -us :
1) the adjective bogus     e.g. a bogus policeman
2) minus, which can be an adjective     e.g. a minus number
3) versus (meaning against)     e.g. It's our team versus yours.

next part of the spelling course Go to the test in -ous and -us endings
Print this page
share this page:

Sign up to remove this advert

Remove this advert

Your current location:

Unit 29: Spelling the endings -ous and -us

Page 1 of 9

Quick guide to Spellzone

Free Trial

Sign up today

Dictionary



Word lists and Games

Adjectives ending in ous
Nouns ending in us

Sign up to remove this advert

Online help...


If you need help logging into your account, or you need more information, we are here to help.

Help