PREFIX
in- in, into, not

ROOT
fract/frag - break

SUFFIX
-ile - of, related to
-ion - state, quality, act
-ment - that which
-ure - process, condition

WORDS AND DEFINITIONS
fraction - a part or element of a larger whole
fracture - a break, crack, or split
infraction - the act of breaking the limits or rules
fragile - easily broken; delicate
fragment - a broken piece