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.

sixth

/sɪksθ/ adjective, noun, verb

Forms sixths sixthing sixthed sixt

adjective The ordinal form of the number six.
noun (not used in the plural) The person or thing in the sixth position.
noun One of six equal parts of a whole.
noun (music) The interval between one note and another, five notes higher in the scale; for example C to A, a major sixth, or C to A flat, a minor sixth.
verb (informal, nonstandard, rare) To divide by six, equivalent to multiplying a denominator by six.

Synonyms

From earlier sixt, from Middle English sixte, from Old English siexta, from Proto-Germanic *sehstô. By surface analysis, six + -th (ordinal suffix).

adjective First after the fifth; next in order after the fifth.
adjective Constituting or being one of six equal parts into which anything is divided.
noun The quotient of a unit divided by six; one of six equal parts which form a whole.
noun The next in order after the fifth.

Etymology [From Six: cf. AS. sixta, siexta.]

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

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

षाष्ठ ṣāṣṭha sixth, the sixth.
धैवत dhaivata the sixth note of the gamut.
यमया yamayā name of the sixth astronomical Yoga.
अतिनामन् ati-nāman name of a Saptarṣi of the sixth Manvantara.
कालिनी kālinī ‘bringing death,’ name of the sixth lunar mansion.
षष्ठिन् ṣaṣṭhin having a sixth, having or being the sixth (year etc.).
आप्य āpya (for āptya ), name of a class of deities in the sixth Manvantara.
तौदादिक taudādika belonging to the class of roots which begins with tud, i.e. to the sixth class.