Word Formation

1. Negative Prefixes

Attached to words

- (adjectives, nouns, adverbs) formed from them:

UN-	unbreakable
NON-	non-scientific
IN-	indigestible
DIS-	disloyal
A-	amoral

Attached to verbs

UN-	undress
dis-	disobey
MIS-	misbehave, mistake

2. Noun Suffixes

Nationality. Naming people, places and languages

-ER	Dubliner
-ISH	Spanish
-ESE	Chinese
-(I)AN	Rumanian, American
-ITE	Israelite

Action, state. Nouns from verbs

-ATION	exploration
-ION	expression
-MENT	agreement
-AL	dismissal

3. Verb Suffixes

-EN	thicken, darken (nouns: thickener, darkener)
-IFY	purify (noun: purifier)
-IZE	standardize
-ABLE	reliable, unbelievable, unbearable

4. Adjective Suffixes

Describing people and things

-IC	economic
-(A)TIC	systematic
-AL	musical, commercial, textual
-AR	circular, angular, solar
-IVE	productive
-OUS	ambitious, erroneous
-ISH	womanish
-LY	fatherly, queenly, womanly
-Y	rubbery, sandy
-LIKE	manlike, glasslike
-FUL	useful, beautiful
-LESS	useless, colourless

5. Adverb Suffixes

-LY	happily, strangely
-ALLY	scenically, annually
-WARD(S)	backwards, forwards, outwards, onwards, rightwards, homewards
-WISE	likewise