When a nasal sound is replaced with a homogranic (same place) stops

Inserting a vowel (schwa) to change it's syllable structure

When a nonalveolar sound is substituted with an alveolar soun

When a fricative is substituted with a stop consonant.

When a child replaces a back sound with a sound that is made toward the front of the mouth

omitting the first single consonant or consonant cluster at the beginning of a word.

Omitting the unstressed syllable

When an affricate is replaced with a fricative or stop sound.

when two consonants are together in a word and they omit one

omitting the last consonant.

When a child substitutes a front sound with a back sound.

When a nonaffricate is replaced with an affricate.

When a voiced sound is replaced by voiceless sound

the loss of r-coloring in central vowels

When liquid sound is replaced with glide sound

When a voiceless sound is replaced by voiced sound

When syllabic (liquids and nasals) sounds are replaced by vowels

When a nonlabial sound is replaced with a labial sound

Example: water ---> wa-wa, bottle--> ba-ba

Example: banana ---> nana, telephone ---> tephone

Example: ball --> ba, dog --> do

Example: phone --> one

Example: spoon --->poon, play---> pay/lay

Example: please --> puhlease, (valley girl), bread ---> buhread

Example: cop --> top, go --> doe, ring --> rin

Example: ship --> sip, shoe --> soo

Example: ring ---> ring, key --> tee, candy --> tandy

Example: top --> kop, dog --> gog, play --> clay, dime --> gim

Example: thumb --> fumb

Example: shoe --> too

Example: fan --> pan, sam --> tam

Example: chips --> ships

Example: door --> jore, tear --> chair, shoe --. chew, wash --> watch

Example: meat --> beat, noon --> dood

Example: love --> wuv, rabbit --> wabbi

Example: apple --> appo, table --> tabo, cuddle --> cudo

Example: better --> beduh, Peter-->Petuh

Example: toe --> doe, shoe --> 3hoo, pie --> bye, key --> gee

Example: do --> too, zebra --> sebra, green --> kreen, bingo --> pingo, vase --> face