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.

rack up

verb

Forms racks up racking up racked up

verb (ambitransitive, snooker, billiards) To arrange in a rack. “At the start of the game, the referee racks up the red balls.”
verb (idiomatic) To gain (points etc.; in a game or sport), to accumulate. “Chelsea racked up another 3 points at home to Bolton.”
verb (idiomatic) To acquire, to gather together. “By the age of 18, he had already racked up thousands of dollars in debt.”
verb (idiomatic) To defeat severely, to thrash.
verb (gambling) To collect one's chips and cash out.
verb To attribute, chalk up.

Synonyms

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