-able, -ible

compatible

usable

insurable

able to

( adjective )

-er, -or

competitor

senator

mayor

one who does

( noun )

-fy

dignify

gratify

unify

to make

( verb )

-ism

schism

Judaism

rationalism

the practice of

( noun )

-ist

perfectionist

environmentalist

accompanist

one who is occupied with

( noun )

-less

useless

worthless

meaningless

without, lacking

( adjective )

-logue, -log

monologue

dialog

 catalog

prologue

a particular kind of speaking or writing

( noun )

-ness

happiness

kindness

aggressiveness

the quality of

( noun )

-ship

friendship

relationship

sportsmanship

the art or skill of

( noun )

-tude

attitude

altitude

amplitude

the state of

( noun )

-astr- , -aster- , -astro-

astral, asteroid, astronaut

-auto-

autograph

-bio-

biography

-chron- , -chrono-

chronic, chronological

-cosm- , -cosmo-

microcosm, cosmopolitan

-cryph- , -crypt-

apocryphal, cryptographer

dem-, demo-

epidemic, democracy

dia-

diameter

dog-, -dox

dogmatic, orthodox

gen

generation

gnos

diagnostic

graph, graphy, gram

graphite, autobiography, telegram

log, logue

logic, dialogue

lys

analysis

metr, meter

metric, kilometer

micro

microchip

morph

amorphous

naut

nautical

phon, phone

phonics, telephone

-astr- , -aster- , -astro-

astral, asteroid, astronaut

-auto-

autograph

-bio-

biography

-chron- , -chrono-

chronic, chronological

-cosm- , -cosmo-

microcosm, cosmopolitan

-cryph- , -crypt-

apocryphal, cryptographer

dem-, demo-

epidemic, democracy

dia-

diameter

dog-, -dox

dogmatic, orthodox

gen

generation

gnos

diagnostic

graph, graphy, gram

graphite, autobiography, telegram

log, logue

logic, dialogue

lys

analysis

metr, meter

metric, kilometer

micro

microchip

morph

amorphous

naut

nautical

phon, phone

phonics, telephone