1. wordbuilding

2. Ways of word formation AFFIXAL NON-AFFIXAL conversion (to water)
prefixal (unpack)
suffixal (truly)
prefixal-suffixal (unbelievable)
NON-AFFIXAL
conversion (to water)
abbreviation (UFO)
composition (watermwlon)

3. PREFIXES after en mal out sub anti ex mega over super
auto fore micro post trans
bi il mini pre tri
co im mis pro un
de in mono pseudo under
dis ir multi re up
down inter non semi

4. MOST COMMON NOUN SUFFIXES
tion
ambition
ness
happiness
ment
enjoyment th
width
(i)ty
popularity
hold
household
ivity
creativity
ve-f
belief
hood
brotherhood
ism
realism
ure
pleasure
ship
friendship
ision
decision y
discovery
ist
typist
ence/ance
difference
ian
musician
dom
boredom

5. MOST COMMON ADJECTIVE SUFFIXES
full
pitiful
(t)y
happy
etic
sympathetic
ing
interesting
less
careless
like
warlike
ant
tolerant ed
interested
ous
dangerous
ate
considerate al
magical
istic
nationalistic
ish
childish
critical
affectionate
(a)ctory
satisfactory
able
noticable
ent/ant
different ic
artistic
ible
sensible
ive
attractive t
important
ised
computerised
ular
spectacular

6. MOST COMMON VERB SUFFIXESen
widen
ise/ize
critisise
ify
simplify
ADVERB
verb + ly
ate
tolerate