word parts

A-Z Word Parts Find roots and affixes with example words

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Word part	Type	Origin	Definition
ortho	root	Greek	straight, vertical, perpendicular; correct
-ory, -atory²	adjective-forming suffix	Latin	serving to, pertaining to
-ose¹	adjective-forming suffix	Latin	having many or much of; tending toward
-ose²	noun-forming suffix	Greek	carbohydrate, esp. sugar
-osis	noun-forming suffix	Greek	condition (usually medical)
-osity	noun-forming suffix	Latin	state or condition of
oste, osteo	root	Greek	bone
-otic	adjective-forming suffix	Greek	having or related to (a condition or state)
oto, ot	root	Greek	ear
-ous, -ious	adjective-forming suffix	Latin	full of, characterized by
out-	prefix	Old English	out, outside, outward; beyond, better, more
ov, ovi	root	Latin	egg
over-	prefix	Old English	excessively, too much; over, on top, above
pac	root	Latin	peace
pale, paleo	root	Greek	ancient
palp	root	Latin	touch
pan, panto	root	Greek	all
par¹	root	Latin	equal
par²	root	Latin	to bear, give birth to
para	root	Greek	defense against
para-	prefix	Greek	beside, alongside

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