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.

plop

UK /plɒp/ · US /plɑp/ noun, verb, interjection

Forms plops plopping plopped

noun (countable) A sound or action like liquid hitting a hard surface, or an object falling into a body of water. “He heard the plops of rain on the roof.”
noun (UK, slang) Excrement.
verb To make the sound of an object dropping into a body of liquid.
verb (ambitransitive) To land heavily or loosely. “He plopped down on the sofa to watch TV.”
verb (UK) To defecate.
interjection Indicating the sound of something plopping.

Synonyms

Imitative of the sound, or perhaps a variant of plap.

verb To fall, drop, or move in any way, with a sudden splash or slap, as on the surface of water.
noun Act of plopping; the sound made in plopping.

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