Suffix - Meaning - example
1). er, or - one who; person or thing that does something; or - condition, activity
e.g - In Porter PORT is a root word which means to carry and ER is the suffix meaning one who, thus porter means a person who carries things.
Error means condition of being wrong.
2). oid - like or resembling.
e.g - Humanoid means having human characteristics or form.
Note - Nouns ending in -oid form adjectives by adding the suffix -al e.g spheroid, spheroidal.
3). ose - possessing; having the characteristics of; full of.
e.g - Verbose means using or containing too many words.
4). ism - the act, state, or theory of, belief
e.g - Fascism means a political theory advocating an authoritarian hierarchical government (as opposed to democracy or liberalism)
5). fic - doing, making, producing, or causing (the thing specified in the initial element)
e.g - Horrific means causing horror.