Suffix: -less & -ness

breathless

out of breath

effortless

without having to try; easy

fearless

not afraid

motionless

without movement

odorless

without a smell

penniless

without any money; poor

reckless

without responsibility; careless

speechless

without the ability to talk

tireless

persistent

worthless

without value

cleverness

state of being smart, bright, or imaginative

dampness

state of being a bit wet

boldness

state of being brave or courageous

foolishness

state of being silly; lacking good sense or judgement

sadness

state of being unhappy; feeling sorrow

fondness

state of affection; liking someone or something

sickness

state of illness

wilderness

an area with the quality of the untamed world