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.

“watchmen” is a form of

watchman

/ˈwɒtʃmən/ noun, proper noun

Forms watchmen Watchmans

noun A man set to watch: a man who keeps guard, especially one who guards a building, or the streets of a city, by night; (loosely) any such person of any sex or gender.
proper noun A surname.

Synonyms

From Middle English waccheman. By surface analysis, watch + -man.

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

Sanskrit dictionary entries whose meaning includes “watchman” (best matches first).

आरक्षिक ā-rakṣika a watchman, a patrol; a village or police magistrate.
आरक्षक ā-rakṣaka who or what guards or protects; ( as ), m. a watchman; see the next.
गर्वाट garvāṭa a watchman, a doorkeeper, a sort of village constable, a head-borough or beadle.
वैबोधिक vaibodhika a watchman, one who announces the hours of the night or awakes sleepers by calling out the time.
प्रहरिन् praharin ‘one who announces the hours by striking a bell, beating a gong, etc.,’ a watchman, sentry; a bellman.
आहिण्डिक āhiṇḍika a man of mixed origin, the son of a Niṣāda father and a Vaidehī mother, employed as a watchman on the outsid…
यामिक yāmika being on watch or guard; ( as ), m. a night-watcher, watchman, one who announces the watches, one on guard o…
अर्थिक arthika a crier, a watchman, a minstrel, a servant, whose duty it is to announce, by song or music, fixed periods of…