-ock
definition: A suffix used to form diminutives; as
Bullock hillock.
-ock is a 4 letter word that begins with a - and ends in a K

-oid
definition: A suffix or combining form meaning like
Resembling in the form of; as in anthropoid asteroid spheroid.
-oid is a 4 letter word that begins with a - and ends in a D

-oma
definition: A suffix used in medical terms to denote a morbid condition of some part
Usually some kind of tumor; as in fibroma glaucoma.
-oma is a 4 letter word that begins with a - and ends in an A

-one
definition: A suffix indicating that the substance
In the name of which it appears is a ketone; as acetone.
-one is a 4 letter word that begins with a - and ends in an E

-one
definition: A termination indicating that the hydrocarbon to the name of which it is affixed belongs to the fourth series of hydrocarbons
Or the third series of unsaturated hydrocarbonsl as nonone.
-one is a 4 letter word that begins with a - and ends in an E

-ory
definition: A noun suffix denoting that which pertains to
Or serves for; as in ambulatory that which serves for walking; consistory factory etc.
-ory is a 4 letter word that begins with a - and ends in a Y

-ory
definition: An adjective suffix meaning of or pertaining to
Serving for; as in auditory pertaining to or serving for hearing; prohibitory amendatory etc.
-ory is a 4 letter word that begins with a - and ends in a Y

-ose
definition: A suffix denoting full of
Containing having the qualities of like; as in verbose full of words; pilose hairy; globose like a globe.
-ose is a 4 letter word that begins with a - and ends in an E

-ose
definition: A suffix indicating that the substance to the name of which it is affixed is a member of the carbohydrate group; as in cellulose
Sucrose dextrose etc.
-ose is a 4 letter word that begins with a - and ends in an E

-our
definition: See -or.

-our is a 4 letter word that begins with a - and ends in an R

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