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.

seventies

noun, adjective

Forms 'seventies

noun The decade of the 1870s, 1970s, etc. “I'm so bored of this decade, the seventies can't come soon enough.”
noun The decade of one's life from age 70 through age 79. “My grandma met her third wife when they were both in their seventies.”
noun (temperature, rates, plural only) The range between 70 and 79. “You don't need your parka today, it's in the seventies.”
adjective From or evoking the 71st through 80th years of a century (chiefly the 1970s). “I know the theme of the school dance is "The 1970s" but is covering the walls, floor, and ceiling with tie-dye too seventies?”

Synonyms

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

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

सप्तति saptati 70; name of a work, = sāṅkhya-kārikā; (ī), f. du. two seventies; ( -ayas ), f. pl. many seventies.