pronoun:

• what

prefix:

• how many ［なん］ - followed by a counter ➜ 何か月
• large number of; many ［なん］ - followed by (optional number), counter and も ➜ 何度も・何日も

noun:

• you-know-what; that

expression:

• whatsit; what's the expression; what do you call them

interjection:

• what? - expressing surprise
• hey! - expressing anger or irritability

pre-noun adjectival:

• what; what kind of ➜ あんな・こんな・そんな
• (with -temo, demo, etc.) any(body, thing, means, etc.) - as in どんな人でも

adverb:

• what; how; whatever

noun:

• what; something; everything
• nothing (with neg. verb)
• something or other; unspecified matter

pronoun:

• what ➜ 何【なに】

interjection:

• what? - expressing surprise ➜ 何【なに】
• hey! - expressing anger or irritability ➜ 何【なに】

pre-noun adjectival:

• what (e.g. "what rudeness") (an expression of surprise, anger)

expression:

• what (something) is like - usu. as 〜の何たるか

adverb / noun:

• whatever; what; what sort of; any kind of
• nothing whatever (with neg. verb)

pre-noun adjectival:

• which; what (way) ➜ 此の・其の・彼の

expression:

• something

expression / ~の noun:

• what - usually written using kana alone

adverb:

• why; how

particle:

• such things as ...; and ... and - used for non-exhaustive lists related to a specific time and place
• the minute (that) ...; no sooner than ...; as soon as - after the dictionary form of a verb ➜ や否や

unclassified:

• be; is - plain copula - Kansai dialect ➜ だ

interjection:

• o; oh - punctuational exclamation in haiku, renga, etc.
• huh; what - interjection expressing surprise
• hi - male language
• yes; what? - archaism

particle:

• yes?; no?; is it?; isn't it? - indicates a question - archaism

pre-noun adjectival:

• what is called; as it is called; the so-called; so to speak

expression:

• what with this and that; for a number of reasons ➜ 色々

expression:

• what's the matter?; what's wrong?

expression / adjectival noun:

• what sort; what kind

expression:

• what day
• how many days

noun:

• what year; how many years

noun:

• what time

noun / ~する noun:

• writing down what one hears; account of what one hears

expression:

• what is it (that); the meaning of something; what something is about

godan ~る verb / intransitive verb:

• to not know how to act or what to do; to be at a loss

expression:

• what the hell; what the fuck; what are you going on about; you've got to be kidding - Kansai dialect

expression:

• what the hell are you saying? - Kansai dialect

expression:

• there is unexpected good in what others have left behind; last but not least; there is fortune in leftovers [literal] - proverb

noun:

• weight-loss diet accompanied by meticulous notes about when and what one has eaten - From English "recording diet" ➜ レコダイ

expression:

• one has no other choice but to do what one has to do ➜ っきゃ