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.

“reheating” is a form of

reheat

/ɹiːˈhiːt/ noun, verb

Forms reheats reheating reheated

noun (aeronautics, chiefly UK) An afterburner.
noun (informal) The act of heating something again. “I gave the potatoes a reheat.”
verb (transitive) To heat something after it has cooled off, especially previously cooked food (also in figurative senses). “I’m reheating some leftovers for dinner.”
verb (intransitive) To become hot again after having cooled off (also in figurative senses). “He put the soup on the stove to reheat.”

Webster’s 1913

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