Linguistics 105 * Words and Sounds Lecture Number Six-b Types of Phonological Change
- Assimilation
Assimilation is the copying of a feature from one segment to another in such a way as to make the copying segment more like the copied one.Nasal Assimilation
/bÀn/ ¡ [bÀn] /bÀnk/ ¡ [bÀük] ¡ [bÀ‚ük]
/rønk/ ¡
[røük] ¡ [rø‚ük] Assimilation to Place of Articulation
/wød-Ê/ ¡ [wøt…Ê]
/hajt-Ê/ ¡ [hajt…Ê]
Voicing
Voicing is the addition of voicing ([-Voiced] ¡ {+voiced]) to a consonant, usually because of surrounding vowels or an adjacent vowel or sonorant.
Dutch Phonemic Allphonic Gloss afkomen /afkomÏ/ [afkomÏ] come down aftrekken /aftrekÏ/ [aftrekÏ] deduct afbelen /afbelÏ/ [avbelÏ] ring off afdekken /afdekÏ/ [avdekÏ] cover over Devoicing
Devoicing is the loss of voicing (voicedness) usually caused by a voiceless contiguous consonant or word-final position.English (/l/ after voiceless consonants)
/pliz/ ¡ [pl€iz]
/kløk/ ¡ [kl€øk]
/sliz/ ¡ [sl€iz]German (at the end of words)
/hund/ ¡ [hunt] Hund 'dog'
/mag/ ¡ [mak] mag 'like'
/rand/ ¡ [rant] Rand 'rim'
- Dissimilation
Sometimes a segment is made dissimilar to a contiguous segment because the language does not like identical or similar sounds next to each other.English dialect:
chimley
/føfÊ/ ¡ [føft]
- Deletion
Syncope
Syncope is the deletion of an unaccented vowel or reduced consonant from the middle of a word.US English: schwa after [r] (if preceded by a consonant)
/bÏliv/ ¡ [bliv] believe
/sÏpoz/ ¡ [spoz] suppose
/mÏlan/ ¡ [mlan] Milan
/srê‚ndr/ ¡ [srê‚ndr] surrender
/pÏlis/ ¡ [plis] police
/pÏred/ ¡ [pred] paradeIf preceded by a vowel, the vowel is deleted:
veteran : Northeast [vêtrÏn], Southwest [vêÊtrn]
different: Northeast [døfrÏnt], Southwest [døfrnt]
ignorant: Northeast [øgnrÏnt], Southwest [øgnrnt]US English: [t] after [n]
/øntÏrÏpt/ ¡ [ønÏrÏpt]
/øntÏrÀkt/ ¡ [ønÏrÀk]
/øntÏrfir/ ¡ [ønÏrfir]
Unless followed by an /s/:
/prønts/ ¡ [prønts]Other examples:
British: /mêdÏsøn/ ¡ [mêdsøn]
laboratory: /lÀborÏtori/ ¡ [lÀborÏt|ri] (British) : US [lÀbrÏtori]
secretary: [sêkrÏtêri] ¡ [sêkrêt|ri]Apocope
Apocope is the deletion of an unaccented vowel at the end of a word.French
longe 'long' [l³ü] (from [l³üÏ])
verte 'green' [vert] (from [vertÏ)
haute 'high' [ot] (from [otÏ])
- Epenthesis
Epenthesis is the insertion of a vowel, usually between consonants that are not allowed to stand together by the phonotactic rules, rules which determine the possible sequences of sounds in a language.English borrowings in Japanese
strike : [suturaiku]
club : [kurabu]
necktie : nekutai
- Metathesis
Metathesis is the switching of positions of two adjacent segments. Liquid metathesis is probably the most common form. It involves the exchange of places of a liquid and a following or preceding vowel.English
/Àsk/ ¡ [Àks]Liquid Metathesis (Historical evidence)
English gard-en : Old Slavic grad 'city'
German Berg 'mountain' : Old Slavic breg (bank, shore)
cold [kold] : Old Slavic xlad 'cold'
- Haplology
Haplology is the deletion of a segment or syllable that is identical or similar to an adjacent syllable or segment in that syllable.English
/prabÏblø/ ¡ [prablø]
library: /lajbrêri/ ¡ [lajbrêri] British : US [lajbêri] February: /fêbjÏwerø] (US) : [fêbrÏri] (British)
- Raising (Lowering)
Vowels may be lowered one level or raised one level as a result of neighboring vowels (or historical change).'Canadian' Raising: diphthongs go to schwa before voiceless consonants
/bajk/ ¡ [bÏjk]
/lajt/ ¡ [lÏjt]
/kajt/ ¡ [kÏjtIn Canada and Norfolk, Virginia
/haws/ ¡ [hÏws]
/awt/ ¡ [Ïwt]
/maws/ ¡ [mÏws]US English (Brooklyn, etc.)
/sÀt/ ¡ [sêt]
/bÀd/ ¡ [bêd]
/rÀt/ ¡ [rêt]New Zealand English
/bêd/ ¡ [bød]
/sêd/ ¡ [sød]
/lêt/ ¡ [løt]
- Unrounding
Vowels may be rounded or unrounded by synchronic or diachronic phonological rules.US English (New England, etc.)
/wØk/ ¡ [wak]
/kØf/ ¡ [kaf]
/bØt/ ¡ [bat]
/dØg/ ¡ [dag]
- Diphthongization
/wØk/ ¡ [wawk]
/kØf/ ¡ [kawf]
/bØt/ ¡ [bawt]
/dØg/ ¡ [dawg]
- Palatalization
Palatalization is the movement of the place of articulation toward the palate either from the alveolar ridge or from the velum. This process is usually triggered by a following jod [j] or front vowel [i], [e].
- English palatalization before [j]:
- Did you : [dø”Ï]
- hit you : [hø“Ï]
- [pøktjur] ¡ [pøk“r]
- Italian
- adagio [ada”o]
- (buon) giorno [”orno]
- gelato [Ӑlato]
- Boccaccio [boka“o]
- but caro [karo], cosa [kosa], gamba [gamba]