This page lists the current set [γ] of sound changes that separate Ibran from Vulgar Latin. (This page is basically complete. If you find incongruities, bug me about them.)
A
Stressed A > a/A/
MARE > mar/mAr/
LANA > lane/lA:n/
Stressed AI > ei/eI_^/ (> [e:])
MAGIS [> *mais] > meis/meIh/
CANTAVI [> *cantai] > ciàntei/"Can.teI/
Stressed A after velar > à/a/ plus palatalization
CAPRA > ciàbre/"Ca.br=/
CANE > ciàn/Can/
Stressed A follwed by (velar)(stop/nas/S) > ae/AE_^/
FACTU > faet/fAEt/
FRAXINU > vraesne/frAE.sn=/
Stressed A before (R/L)(yod) > à/a/
RIPARIA > ribàrë/ri"ba.rE/
Stressed A before syll-final M/P/B/L > au/o:/
FLAMMA > vlaum/flo:m/
CAMPU > ciaup/Co:p/
Stressed A after a stress shift > aa/A:/
CANTARE > ciàntaar/"Can.tA:r/
Initial-syll unstressed A remains a/A/ (or à/a/).
MATURU > malure/"mA.ly:r/
Pretonic unstressed A becomes ă/V/, which is unstressable.
ORNAMENTU > ornăment/"Or.nV.mEnt/
MUSARIONE > mosăreun/"mO.sV.r9n/
Posttonic unstressed A remains a/A/
ORPHANU > orfane/"Or.fA:n/
B
Initial B remains b/b/
BENE > bien/bjEn/
Intervocalic B becomes v/f/
HABERE > avijr/"A.fi:r/
Intervocalic B before (yod) becomes y/j/
RABIA > raye/rA:j/
Syllable-final B before another consonant becomes u/w/
PARAB[O]LA > paraul/'pA.ro:l/
C
Initial C before front vowels becomes c/C/
CERA > cére/Ce:r/
Initial C before A becomes ci/C/
CAPU > ciàbe/Ca:b/
Initial C before back vowels remains c/k/
COLLU > cuille/kVHL/
Intervocalic C before front vowels becomes g/C/
FACIT > fage/fA:C/
Intervocalic C before A becomes gi/C/
PLACARE > plagiàar/"plA.Ca:r/
Intervocalic C before back vowels becomes g/X/
FOCU > huig/hVHX/
C that becomes /C/ before a vowel that drops is spelled x
DUCE > dux/dYC/
FACERE > faxre/"fA.Cr=/
D
Intervocalic D drops
CREDERE > crire/kri:r/
Initial D remains d/d/
DAMNU > dagne/dA:J/
CEDRU > ciedre/"CE.dr=/
D with yod becomes j/x/ initially and y/j/ medially
DIURNU > jorn/xOrn/
E
Stressed Ę (CL short E, Æ) > ie/jE/—palatalizing T > tj/C/ and c/g/C/
SPEC[U]LU > spiegle/'spjE.Xl=/
CENTU > cient/CEnt/
TERRA > tjerre/CEr/
Stressed Ę before (velar)(stop/nas/S) > ei/eI/
LECTU > leit/leIt/
SEX > seis/seIs/
Stressed Ę before (R/L)(yod) > è/E/
MATERIA > malèrë/mA'lE.rE/
Stressed EE > ei or ey/eI_^/
PEDE [> *pee] > pey/peI/
LEGE [> *lee] > ley/reI/
Stressed Ẹ (CL short I/long E) > i/i/ through a stage */je/ > /ji/, thus palatalizing
VELU > vile/vi:l/
PILU > pile/pi:l/
TELA > tjile/Ci:l/
PLENU [> *pljenu] > pine/pi:n/
PLENU [> *pljenu] > lléne/Le:n/
Stressed Ẹ after velar > é/e/
CERA > cére/Ce:r/
Stressed Ẹ before /w/ > u/y/
VIDUA [> *veua] > vuhe/fy:/
VIDUA [> *veua] > veu/f2:/
Initial-syll unstressed E > e /E/
NEPOTE > nebuul/'nE.by:l/
NEPOTE > neboul/"nE.bu:l/
F
F remains f/f/ everywhere except before an older /w/, where it becomes h/h/
FESTA > fiête/fjE:t/
FOCU > huig/hVHX/
G
Intervocalic G disappears
REGE > rey/rEj/
EGO > yeu/j2:/
VIGINTI > veint/feInt/
H
Latin H drops everywhere.
I
Stressed I remains unchanged
SCRIPTU (> *scrittu) > scrite† /skri:t/
Stressed I before syll-final M/P/B/L > u/y/
MILLE > mul/mYl/
Initial-syll unstressed I remains unchanged unless it is word-initial, when it drops
RIPARIA > ribàrë/ri'ba.rE/
HISTORIA > stòrë/'stO.rE/
Consonantal I generally becomes j/x/
IOCU > juig/xVHX/
L
Initial and intervocalic L usually remains unmolested.
LOCU > luig/lVHX/
L before yod palatalizes to ll/L/
FOLIA > foille/fO:L/
Syllable-final L before another consonant velarizes to a semivowel
ALTERU > autre/"o:tr=/
M
Initial and intervocalic M stays itself.
MATRE > madre/"mAdr=/
Syllable-final M before another consonant softens to a semivowel
CAMPU > ciaup/Co:p/
N
N stays n/n/
NUTRICE > nudrix/'ny.drIC/
NN and MN, and N with yod palatalize to gn/J/
ANNU > agne/A:J/
O
Stressed Ǫ (CL short O) > ui/VH/
FOCU > huig/hVHX/
NOVU > nuif/nVHf/
Stressed Ǫ or Ọ before (velar)(stop/nas/S) > oe/OE_^/
NOCTE > noet/nOEt/
TRUCTA > troet/trOEt/
Stressed Ǫ before (L/R)(yod) > ò or oi /O/
FOLIA > fòlë/'fO.lE/
FOLIA > foille/fO:L/
Stressed OI > ui/VH/
PODIU > puy/pVH/
Stressed Ọ in unchecked syllables > u/y/
NEPOTE > neboul/'nEbu:l/
FLORE > vlur/flYr/
Stressed unchecked Ọ after a stress change > ou/u:/
AMO:RE > amour/"A.mu:r/
Stressed Ọ in checked syllables > o/O/ (through /wO/)
GUTTA > gote/XO:t/
CUPPA > cope/kO:p/
Initial-syll unstressed O, in open syllables before a front vowel > à/a/
MOVERE > màvijr/'ma.vi:r/
Initial-syll unstressed O, in closed sylls or open ones before back vowels > o/O/
DORMIRE > dormijr/'dOr.mi:r/
P
Initial P remains p/p/
PORTA > puirt/pVHrt/
Intervocalic P voices to b/b/
CAPUM > ciàbe/Ca:b/
QU
Before front vowels QU becomes /k/ spelled qu initially and /X/ spelled gu intervocalically
QUAERERE > quierre/kjEr/
Before back vowels QU becomes /k/ spelled c initially and /X/ spelled g intervocalically
QUOMODO > cume/"ky:m/
R
R never appears to change at all!
S
S before a yod or a ie-phthong becomes j/x/
SEMPER > jeupre/'x2.pr=/
Otherwise it remains unchanged.
T
T before a yod or ie-phthong becomes tj/C/
TERRA > tjerre/CEr/
U
Stressed U > u/Y/
MURU > mure/my:r/
Stressed U before (velar)(stop/nas/S) > ui/VH/
FRUCTU > vruit/frVHt/
Initial-syll unstressed U unchecked before front vowels > eu/2/
frath.net > Languages > Ibran > Sound Changes