Pronunciation guide: IPA symbols, stress and word endings

θ	thin	ð	this	ʃ	she	ʒ	measure
tʃ	church	dʒ	judge	ŋ	sing	j	yes

p b t d k g f v s z h m n l r w sound as in ordinary English spelling.

ˈ main stress, before the stressed syllable: /ˈwɔːtə/ water · ˌ lighter (secondary) stress: /ˌʌndəˈstænd/ understand
ː a long vowel · (r) an r said only in accents that pronounce it (most American, Scottish, Irish)

-s / -es (plurals; he/she form of verbs): /s/ after voiceless sounds (cats), /z/ after voiced (dogs), /ɪz/ after s, z, sh, ch, j sounds (buses, watches). Spelling: -es after s, x, z, ch, sh; consonant + y → -ies (city → cities).
-ed (past): /t/ after voiceless sounds (walked), /d/ after voiced (played), /ɪd/ after t or d (wanted). Spelling: love → loved, stop → stopped, carry → carried.
-ing: make → making, run → running, see → seeing.
Irregular: go, went, gone · be, was, been · see, saw, seen · man → men · child → children · mouse → mice.
Older (King James) forms: -eth = -s (he loveth = he loves) · -est with “thou” (thou lovest) · spake = spoke.

purification

/ˌpjʊəɹɪfɪˈkeɪʃən/ noun

Forms purifications

noun The act or process of purifying; the removal of impurities. “air purification”
noun A religious act or rite in which a defiled person is made clean or free from sin. “purification of the soul”
noun (Christianity) The pouring of wine into the chalice to rinse it after communion, the wine being then drunk by the priest.

Synonyms

From Old French purificacion, from Latin pūrificātiō.

noun The act of purifying; the act or operation of separating and removing from anything that which is impure or noxious, or heterogeneous or foreign to it; as, the purification of liquors, or of metals.
noun The act or operation of cleansing ceremonially, by removing any pollution or defilement.

Etymology [F. purification, L. purificatio. See Purify.]

Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “purification”, CC BY-SA 4.0. Details

Sanskrit dictionary entries whose meaning includes “purification” (best matches first).