DictionaryLookup

DictionaryLookup[patt]
finds all words in an English dictionary that match the string pattern patt.

DictionaryLookup[patt, n]
gives only the first n words found.

DictionaryLookup[{"lang", patt}]
finds words in the language specified by lang.

No word stemming is done by default, so words like "jump", "jumps" and "jumping" appear separately.

By default, words appear as they would within a sentence. Setting the option IgnoreCase->True retrieves words whose letters appear in different cases.

DictionaryLookup[{"lang", All}] retrieves all words in the language dictionary lang.

DictionaryLookup[{All, patt}] retrieves all the languages containing words matching patt.

Look up all English words beginning with "abb":

Look up all Spanish words beginning with "c", ending with "n" and with an "ñ" in between:

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