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Regular Allomorphy
rules for reg. allomorphy
| Question | Answer | |
|---|---|---|
| Place Assimilation of /n/ | n → m / __ {p, b, m} | con + pose → compose in + balance → imbalance syn + path + -y → sympathy |
| Phonation Assimilation | [voiced obstruent] → [ voiceless] / __ [voiceless obstruent] [voicless obstruent] → [voiced] / __ [nasal] | reg + tor → rector frag + -tion → fraction ad- + tend → attend sub- + port → support leg + sis → lexis /-ks-/ |
| Liquid Assimilation | {n, r} → l / __ l (n) → r / __ r | con- + lude → collude con- + rupt → corrupt in- + leg + -al → illegal in- + ration + -al → irrational |
| Total Assimilation of /d/ | d → C¹ / __ C¹ (not /m/ or glides) | ad- + liter + -ation → alliteration ad- + brevi +-ate → abbreviate ad- + fec + -t → affect ad- +simil + -ate → assimilate |
| Vowel Deletion | V → Ø / __ (h) V | anti- + agon + -ize → antagonize cata- + hode → cathode cello + -ist → cellist America + -an → American ana- + hode → anode |
| /s/ Deletion | s → Ø / __ [voiced C] | jus 'law' + dic 'say' + -ious → judicious bis 'twice' + -n-ary → binary dis- + lig 'gather' + -ent → diligent dis- + vulg 'crowd' → divulge |
| Cluster Simplification | C → Ø / __ s C C → Ø / C __ C | sub- + spic 'look' + -ious → suspicious in- + gnore → ignore syn + ste + -mat → system |
| Consonant Shortening | C: → C / {C __ , __ C} | ex- + seci + -tive → execitive ex- + spire → expire /ks/ not /ks:/ |
| Greek Final Stop Deletion | [stop] → Ø / __ at the end of a word | traumat → trauma dramat → drama symptomat → symptom schemat → scheme |
| Vowel Insertion | Ø → e / C __ r at the end of a word | centr → center cancr → cancer arbitr → arbiter ministr → minister |
| /d/ Insertion | Ø → d / V __ V after some prefixes | re- + und + -ant → redundant se- + i + -tion → sedition pro- + ig + -y → prodigy |
| /s/ Insertion | Ø → s / b __ {p, t, c} after prefixes | ab- + tract + -t → abstract ab- + cess → abscess ob- + tens + -ible → ostensible |
| Rhotacism | s → r / V __ V | rus + -al → rural jus + -y → jury mus + -ine → murine genus + -ic → generic |
| Latin /a/ Weakening | a → e / [syllable] __ | de- +fac + -t → defect re- + cap + -tive → receptive in- + apt → inept |
| Latin /e/ Weakening | e → i / [syllable] __ C V | de- + fac + -ient → deficient re- + cap + -ient → recipient con- + ten + -ent → continent |
| /l/- Coloring | {e,o} → u / __ l in a closed syllable | com- + pell + -sive → compulsive col- + tiv + -ate → cultivate in- + sal 'jump' + -t → inselt → insult ad- + ol + -t → adult |
| t+t to ss | t + t → ss when roots are combined with suffixes | pat + -tion → passion mitt + -tive → mittive → missive fid + -tion → fittion → fission con- + ced + tion → concettion → concession sent + -t → senss → sense sent + -tu + -al → senssual → sensual |
| Nasal Assimilation | This rule affects prefixes which end with n. | |
| Voice Assimilation | Voice Assimilation occurs any time one sound alters its voice feature to become more like a nearby sound | |
| Total Assimilation | Total Assimilation only occurs before the sounds [l] and [r]. We extend this rule to include all cases in which a sound changes to become exactly like a nearby sound. | |
| Vowel Deletion | 1. morphemes ending in a vowel 2. morphemes ending in a vowel + r A vowel in the first morpheme is deleted when the following morpheme begins with a vowel. | |
| Rhotacism | Look for roots that have allomorphs ending in s and r. The rule changes the allomorph ending in s to the allomorph ending in r. If this rule occurs, you have been given both forms in the Morpheme Sets | rus + -al → rural jus + -y → jury mus + -ine → murine genus + -ic → generic |