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.

os

UK /ɒs/ · US /ɑs/ noun

Forms ossa ora osar OSes OSs OS's

noun (anatomy) Synonym of bone.
noun (anatomy, sometimes botany) An opening or entrance to a passage, particularly one at either end of the cervix, internal (to the uterus) or external (to the vagina).
noun An osar or esker.
noun (UK) An Ordnance Survey map. “We've got an OS of the Cuckmere area.”

Synonyms

Unadapted borrowing from Latin os (“bone”).

Unadapted borrowing from Latin ōs (“mouth”).

Borrowed from Swedish ås.

From o + -s.

noun A bone.
noun A mouth; an opening; an entrance.
noun One of the ridges of sand or gravel found in Sweden, etc., supposed by some to be of marine origin, but probably formed by subglacial waters. The osar are similar to the kames of Scotland and the eschars of Ireland. See Eschar.

Etymology [L.]

Etymology [Sw. ås ridge, chain of hills, pl. åsar.]

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