different between metathetic vs metathesis

English

metathetic (not comparable)

From Late Latin metathesis, from Ancient Greek ????????? (metáthesis), from ???? (metá, “among”) +? ????? (thésis, “placement”).

(UK) IPA^(key): /m?.?tæ.??.s?s/
(US) IPA^(key): /m?.?tæ.??.s?s/, [m?.?t?æ.??.s?s], /m?.?tæ.??.s?s/, [m?.?t?æ.??.s?s]

metathesis (countable and uncountable, plural metatheses)

(phonetics, prosody) The transposition of letters, syllables or sounds within a word, such as in ask as /æks/.
Hyponym: hyperthesis
(inorganic chemistry) The double decomposition of inorganic salts.
(organic chemistry) The breaking and reforming of double bonds in olefins in which substituent groups are swapped.

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