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.

rain down

verb

Forms rains down raining down rained down

verb (intransitive) To fall from the sky as, or like, rain. “I'm soaking wet because it rained down on me.”
verb (transitive) To let fall as, or like, rain. “In the latest supernatural incident, the sky rained down frogs.”
verb (intransitive, with on or upon) To strike (literally or figuratively) many times and/or very intensely. “My wrath will rain down upon you.”
verb (idiomatic, intransitive) To appear suddenly or inexplicably in large numbers.

Synonyms

Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “rain down”, CC BY-SA 4.0. Details