Ø Affixes  An infix is an affix that is inserted within a root. or stem.

Ø Meaning of

Suffixes are groups of letters attached to the ends of roots, words, and word groups. A suffix is an affix that is added to the end of a word that conditions its usage or meaning

Function of

 Suffixes serve a grammatical function. A suffix can indicate what part of speech (noun, verb, adjective, adverb) to which the word belongs. Suffixes can also modify and extend meaning. The following suffixes are grouped beneath the grammatical function they perform.

Examples of

• Suffixes -acy, -cy
• Noun: state or quality
• privacy: the state of being alone
• priv + acy
• infancy: the state of being a baby or young child
• in + fan + cy
• -ful
• Noun: an amount or quanity that fills
• mouthful : an amount that fills the mouth
• mouth + ful

etc

Ø Meaning of

Prefixes and suffixes were originally words themselves but they are now groups of letters added to words or to roots to create new words. Prefixes [pre (before) + fix (fasten) = fasten before] are groups of letters placed before words or roots.

Function of

 Prefixes modify or extend the meanings of words and roots. Following is a list of commonly used prefixes and sample vocabulary. A prefix (affix) is a word, or letter(s) placed at the beginning of another word (a base word) to adjust or qualify its usage or meaning.

Examples of

Prefixes a-, ac-, ad-, af-, ag-, al-, an-, ap-, as-, at- to, toward, near, in addition to

• aside (adverb): to or toward the side
• a + side
• accompany (verb): to go with someone as a companion
• ac + com + pan + y

• de- to do the opposite, to take away from
• decrease (verb): to grow smaller, to become less
• de + cre + ase

• di-, dif-, dis- apart, separate, two, opposite, not
• divide (verb): to separate into two or more parts
• di + vide
• differ (verb): to be unlike
• dif + fer

                   etc