-able, -ible

1) added to verbs to form adjectives that mean able to receive the action of the stated verb:

to wash -> washable

to recycle -> recyclable

2) a quality

fashion -> fashionable

change -> changeable

Note some spelling changes:

y ->i + -able

to rely -> reliable

-(i)al

form -> formal

centre -> central

magic -> magical

commerce -> commercial

finance -> financial

-ant/-ent

to import -> important

to differ -> different

-ed

added to verbs and nouns in the meaning having the characteristics of (similar to Participle 2)

to educate -> educated

beard -> bearded

-en

material

gold -> golden

-ful

having the stated quality to a high degree (full of), or causing it

success -> successful

-ic

history -> historic

economy -> economic

-ical

economy -> economical

classic -> classical

-ing

added to verbs (similar to Participle 1)

to interest -> interesting

to bore -> boring

-ish

a quality (+ like smb)

style -> stylish

child ->childish

-ive (-ative, -itive, -tive)

added to verbs to form adjectives meaning showing the ability to perform the activity represented by the verb:

to act -> active

to attract -> attractive

-less

Added to nouns to form adjectives meaning “without (the thing mentioned)”
to help -> helpless
to use -> useless

-ly (not just adverbs!)

1) a quality

love -> lovely

friend -> friendly

live -> lively

coward -> cowardly

lone -> lonely

2) frequency

day -> daily

week -> weekly

-ous

a quality or a condition:

fame -> famous

danger -> dangerous

–y

having the stated quality to a high degree (full of)
dirt -> dirty

often about weather conditions:

rain -> rainy

Note some spelling changes:

sun -> sunny

fog -> foggy

Note:

Suffixes added to nouns:  -able, -al, -ary/-ory, -ate, -ed, -en, -ern, -ful, -ic, -ical, -ish, -less, -ly, -ous, -y.

Suffixes added to verbs: -able/-ible, -ant/-ent, -ary/-ory (+to nouns), -ed (+to nouns), -ing, -ive (-ative, -itive, -tive), -ous (+to nouns).