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.

lesser

UK /ˈlɛsə/ · US /ˈlɛsɚ/ adjective, proper noun

Also a form of little

Forms Lessers

adjective Of two (or, rarely, more than two) things: the smaller in size (littler), in value, in importance etc. “lesser panda”
adjective (comparative or contrast) that which is of lesser size, quality, degree, or significance; of lower status, importance, or rank “The larger Sand Hill Cranes increasingly do not migrate, but almost all lesser ones do.”
proper noun A surname.

Antonyms

From less + -er.

Etymology [This word is formed by adding anew the compar. suffix -er (in which r is from an original s) to less. See Less, a.]

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

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

भद्रारक bhadrāraka name of one of the eighteen lesser Dvīpas.
पारिकर्मिक pārikarmika one who takes charge of the lesser vessels or utensils.
उपपार्श्व upa-pārśva a shoulder; flank; the lesser ribs, the lesser flank; the opposite side.
लघुपुलस्त्य laghu-pulastya the shorter or lesser Pulastya.
ताराग्रह tārā-graha ‘star-planet,’ i.e. one of the five lesser planets exclusive of the sun and moon.
हीनयान hīna-yāna ‘the inferior or lesser vehicle,’ name of a system of Buddhist teaching, (opposed to mahā-yāna, q.v.)
लघुमूल laghu-mūla (in algebra) the lesser root of an equation, the least root with reference to the additive quantities; ( as,…