What is another word for "what"?

Roget's Thesaurus (1911) lists these synonyms for "what": accessible, accord, accusation, achievable, aching, admit, again, agency, agnomen, agreement, aid, alas, alias, all, allegiance, ambiguity, anchor, and, anonymous, answer, antonomasia, antonym, any, anything, are, armed, assistance, assorted, assortment, assume, assumed, attainable, attend, authority, bad, baptism, baptize, barely, bean, bear.