From Wiktionary, the free dictionary

From Middle English dos, variant of doth, doþ, equivalent to do +‎ -s. For the shortened vowel compare says.

• (weak form) IPA^(key): /dəz/
• (strong form) IPA^(key): /dʌz/, enPR: dŭz
• (Northern England, Dublin) IPA^(key): /dʊz/
• Rhymes: -ʌz

does

1. third-person singular simple present indicative of do

   Likes her tea, my mom does.

• doth, doeth (archaic)
• duz (eye dialect)
• diz (dialectal, Northumbria)
• 's (colloquial, after interrogatives)

See the etymology of the corresponding lemma form.

• (Received Pronunciation) enPR: dōz, IPA^(key): /dəʊz/
• (General American) enPR: dōz, IPA^(key): /doʊz/
• Rhymes: -əʊz
• Homophones: dohs, doughs, doze, dos (in music)

does

1. plural of doe

• SOED, deos, deso, dose, odes

• IPA^(key): /dus/
• Hyphenation: does
• Rhymes: -us

Borrowed from West Frisian dûs, ultimately related to Proto-West Germanic *dwās (“stupid”).

does (comparative doezer, superlative meest does or doest)

1. sleepy, dozy, not fully awake or to one's senses

Declension of does
uninflected	does
inflected	doeze
comparative	doezer
		positive	comparative	superlative
predicative/adverbial		does	doezer	het doest het doeste
indefinite	m./f. sing.	doeze	doezere	doeste
	n. sing.	does	doezer	doeste
	plural	doeze	doezere	doeste
definite		doeze	doezere	doeste
partitive		does	doezers	—

Spelling variant representing an informal pronunciation of douche; compare doezen and doesen, both from douchen.

does m or f (plural doesen or doezen, diminutive doesje n)

1. pronunciation spelling of douche

does

1. second-person singular present subjunctive of doar
2. second-person singular present indicative of doer

does

1. second-person singular present subjunctive of doar

• IPA^(key): /doːɨ̯s/
• Rhymes: -oːɨ̯s

does

1. third-person singular existential negative colloquial of bod

   Does dim llaeth yn y tŷ.

   There’s no milk in the house.