General Noun Formers:
* -er/-or: Indicates a person who does something (baker, teacher, actor)
* -ist: Indicates a person who believes in or practices something (artist, socialist, physicist)
* -tion/-sion/-ation/-ition: Indicates a process, state, or result (creation, decision, organization, civilization)
* -ment: Indicates a state, result, or product (payment, agreement, movement)
* -ness: Indicates a quality or state (kindness, happiness, darkness)
* -ship: Indicates a state, relationship, or quality (friendship, leadership, scholarship)
* -hood: Indicates a state, condition, or quality (childhood, manhood, womanhood)
* -ism: Indicates a doctrine, system, or belief (capitalism, communism, realism)
* -ance/-ence: Indicates a state, quality, or action (importance, existence, resistance)
* -ity: Indicates a state, quality, or property (clarity, creativity, reality)
Specific Noun Formers:
* -age: Indicates a state, process, or collection (mileage, storage, breakage)
* -dom: Indicates a realm, state, or condition (freedom, wisdom, kingdom)
* -ing: Indicates an action or process (walking, swimming, reading)
* -let: Indicates a small version of something (booklet, piglet, streamlet)
* -ology: Indicates a branch of study (biology, geology, psychology)
Note: Some suffixes have multiple functions and can create other parts of speech, like adjectives or verbs, depending on the word they are attached to.
It's important to consider the specific context and word being used to determine the exact function of a suffix.