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The TRAP-BATH split in RP: A linguistic index for English learners

  • James H. Yang EMAIL logo
Published/Copyright: January 17, 2019

Abstract

Received Pronunciation (RP) holds prestige not only in the UK, but also in many Outer and Expanding Circle countries and, even in the US, but the TRAP-BATH split (TBS) in RP, which refers to the shift from the vowel /a/ to /ɑː/, has still remained ambiguous because this sound shift contains inconsistent realizations that occur in identical codas, as illustrated in such lexical pairs as class but gas, path but math, last but enthusiast. What makes this sound feature more complicated is sociolinguistic variation. Although earlier discoveries have enhanced our understanding of the TBS, neither a definitive word list nor lexical frequency are provided for learners to enunciate BATH words. To provide RP learners with a linguistic index to learn BATH lexical set, this study expanded Wells’s study by including additional 16 phonetic environments, which generated a total of 304 relevant words for examining their pronunciation defined by dictionaries. The findings show that 13 out of the 30 environments can trigger the TBS more than 50% of the time. In particular, seven of them can completely predict the TBS (over 91%), and one of them can fully do so (83%). This feature appears as a regular conditioned sound pattern if well-defined by its phonetic environments.

Acknowledgements

This study was granted by Taiwan’s Ministry of Science and Technology (105-2410-H-224-030). The author would like to thank his assistants, Allen Hong, Yvonne Song, and Bruce Wang, for their help with the data collection and analysis. He is also very grateful for the anonymous reviews and suggestions, which have made all of the earlier revision efforts worthwhile and rewarding.

Appendix A: The TBS occurrence rates in different words.

#-C/ɑ://a/%TP
1θ#bath, path2957
lathhath, math14
rathstrath14
2-ðə#rathergather1734
latherblather, fathom, slather17
0
3-f#calf, giraffe, graph, half, laugh, staff2741
chaff, epitaph, quaffcaff, carafe, decaf, faff, gaff, gaffe, naff, raff, riffraff, pilaf14
chiffchaff, draff, staph0
4-ft#craft, daft, draft, shaft3391
graft, raft, aft, waftkaftan33
haft, abaft, kraft25
5-ftə#after, laughter, thereafter50100
rafter, hereafter33
wafter17
6-fl#00
baffle, raffle, snaffle0
0
7-f-traffic, graphic00
caftan, hermaphrodite, kaftan0
naphtha0
8-lv#valve050
calve, halvesalve50
0
9-s#bypass, class, glass, grass, passgas, mass2133
brass, surpassalas, amass, ass, crass, harass, has, lass, morass, sass, cuirass8
declassadmass, camas, strass, trass4
10-st#blast, cast, contrast, fast, last, vast2962
aghast, caste, mast, pastenthusiast, gymnast, iconoclast, lambast, pederast19
avast, flabbergastbast, chiliast, clast14
11-stə#disaster, master, plasterpasta3060
caster, pastor, blasteraster, canasta30
raster0
12-st-astronaut, drastic, fantastic, plastic021
bastard, ghastly, nasty, pasteurize, pastime, pastoral, plasterboardasteroid, bastion, castanets, castigate, chastity, elastic, gastric, gymnastic, mastic, masticate, mastiff, mastitis, masturbate, monastic, pastel, procrastinate, sarcastic, scholastic, spastic21
mastodon, mastoid, onomastic0
13-sk#ask, mask, task37100
bask, cask, flask, masque50
casque13
14-sk-basketmasculine1030
casket, rascalascot, emasculate, gasket, mascot, masquerade, vascular20
0
15-sp#clasp, gasp, grasp5083
hasp, raspasp33
0
16-sp-aspect, aspirin020
exasperateaspen, asphalt, aspic, aspirant, diaspora, jasper20
0
17-sl#castlehassle2020
tassel, vassal0
passel0
18-sn#fasten10100
0
0
0
19-s-classic, passage, passenger00
blasphemy, chassis, gasoline0
0
20-ns#advance, chance, dance, enhance, glance, stancefinance, romance3361
lance, mischance, perchance, prance, tranceexpanse, manse28
nance0
21-ns-answer, chancellorfancy, handsome, transfer, transport, translate1428
chancel, lancetcancel, cancer, nancy, ransom, transom14
0
22-nt#aunt, grant, plantant1932
chant, slantadamant, cant, decant, descant, extant, gallivant, pant, rant, recant, scant13
brant, courant0
23-nt-advantagefantastic, fantasy, romantic721
plantationanti, banter, canter, mantle, pantomime, phantom7
chanterantic, panty7
24-nʃ#0100
tranche33
planche, revanche67
25-nʃən#expansion, mansion00
scansion0
0
26-ntʃ#branch20100
blanch, ranch, avalanche60
stanch20
27stressed-m-nd#comm’and, dem’and50100
rem’and, reprim’and50
(’summand, ’confirmand)0
28-nd#band, brand, expand, grand, hand, land, stand, strand00
ampersand, candy, gland, rand0
multiplicand0
29-nd-grandson, handle022
chandler, slanderbadlands, gander, panda, shandy22
glissando0
30-mpl#example, sampleample4040
amplify, trample0
0
  1. Note: Infrequent words are marked in italics, while difficult words are marked in boldface.

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Published Online: 2019-01-17
Published in Print: 2021-06-25

© 2019 Walter de Gruyter GmbH, Berlin/Boston

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