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.

checkpoint

/ˈt͡ʃɛkˌpɔɪnt/ noun, verb, proper noun

Forms checkpoints checkpointing checkpointed

noun A point or place where a check is performed, especially a point along a road or on a frontier where travellers are stopped for inspection. “The travellers were stopped at the checkpoint.”
noun (computing) A situation, often represented by a point in time, at which the state of a database system is known to be valid, and to which it can be returned in the event of a crisis by using a combination of backups and logs; the data stored at this event. “After the crash, we rolled back the database to the last checkpoint.”
noun (video games) A predetermined point in a map, level or scenario that the player may resume from if they die or restart. “You can't finish the race if you haven't passed all of the checkpoints on the track.”
noun (biology) A biological control mechanism ensuring correct progression through the cell cycle.
verb To set a checkpoint.
proper noun A sub-sitio in the sitio of Hilltop, barangay of Ambuclao, Bokod, Benguet, Philippines.

Synonyms

From check + point.

Sources: Wiktionary — from the Wiktionary entry “checkpoint”, CC BY-SA 4.0. Details