Sound changes

In phonology, particularly within historical linguistics, dissimilation is a phenomenon whereby similar consonants or vowels in a word become less similar or elided. In English, dissimilation is particularly common with liquid consonants such as and when they occur in a sequence. The phenomenon is often credited to horror aequi, the principle that language users avoid repetition of identical linguistic structures.

process of language change affecting pronunciation or sound system structure

addition of a sound or syllable at the beginning of a word without changing the word's meaning or the rest of its structure

loss of one or more sounds from the beginning of a word, especially the loss of an unstressed vowel

Haplology (from Greek "simple" and , "speech") is, in spoken language, the elision (elimination or deletion) of an entire syllable or a part of it through dissimilation (a differentiating shift that affects two neighboring similar sounds). The phenomenon was identified by American philologist Maurice Bloomfield in the 20th century. Linguists sometimes jokingly refer to the phenomenon as "haplogy", an autology. As a general rule, haplology occurs in English adverbs of adjectives ending in "le", for example gentlely → gently; ablely → ably.

In historical linguistics, betacism ( , ) is a sound change in which (the voiced bilabial plosive, as in bane) and (the voiced labiodental fricative , as in vane) are confused. The final result of the process can be either /b/ → [v] or /v/ → [b]. Betacism is a fairly common phenomenon; it has taken place in Greek, Hebrew, and several Romance languages.

In linguistics, assibilation is a sound change resulting in a sibilant consonant. It is a form of spirantization and is commonly the final phase of palatalization.

systematic formalization of a phonological process

'''H-dropping or aitch-dropping' is the deletion of the voiceless glottal fricative or "H''-sound", . The phenomenon is common in many dialects of English, and is also found in certain other languages, either as a purely historical development or as a contemporary difference between dialects. Although common in most regions of England and in some other English-speaking countries, and linguistically speaking a neutral evolution in languages, H-dropping is often stigmatized as a sign of careless or uneducated speech, due to its strong association with the lower class.

relation between rules in linguistics

relation between rules in linguistics

thumb|x300px|Map of Polish dialects. Dialects with are shown in . Jabłonkowanie () or siakanie () is a regional phonological feature of the Polish language. It consists of the merger of the series of retroflex sibilants and palatal sibilants into a phonetically-intermediate series , , , (sometimes written ).

Mazurzenie () or mazuration is the replacement or merger of Polish's series of postalveolar fricatives and affricates (written ) into the dentialveolar series (written ). This merger is present in many dialects, but is named for the Masovian dialect.

a rhyme in which two words are spelled similarly but pronounced differently; e.g. "tough / through"