Four Letter Word Generator

Set a count from 1 to 10, press generate, and you get that many four-letter words drawn at random from a dictionary list of about 1,000 real English words. Every word is a common noun, verb or adjective, so you will see things like hero, balk, waft, suds, knee and lore rather than made-up letter strings. Three optional filters let you pin the first letter, the last letter and the number of vowels, which is what makes it useful for word games where you already know part of the answer.

Filters and how they combine

• Number of words (1 to 10). The default is 1. A batch never repeats a word.
• Start letter and end letter. Both default to "Any". Pick S as the start and T as the end and you get words like slot, suit, spat and shut. The list is uneven across the alphabet in the way English is: about 145 words begin with S, roughly 100 each with B, C and P, and only a handful with J, Q, X or Z.
• Number of vowels. Leave it blank to ignore vowels. Enter 1 and you get words with a single A, E, I, O or U (mark, milk, grow); enter 2 for words like hero, rule or ache. Y is not counted as a vowel, so myth and hymn count as zero-vowel words and only turn up when the box is empty. Nearly all four-letter words have one or two vowels; three-vowel words (like area or aide) are rare, and no four-letter word here has four or five.

The filters are applied together, and the tool tells you when nothing matches: ask for words starting with Q and ending in K and the heading reads "No words generated based on your filters" instead of showing a blank space. If a filter combination has fewer matches than the count you asked for, you get every match and no padding.

What is in the word list

The words come from the same general English dictionary that powers our other length-based generators, filtered to entries that are exactly four letters long. Split by part of speech, it is roughly 600 verbs, 570 nouns and 200 adjectives, with some words counted in more than one category (mark, suit and list are both nouns and verbs), which leaves just over a thousand distinct words. A small number of entries are capitalized proper nouns that made it into the source dictionary, such as Ohio, Cuba, Mars and June; they appear occasionally and are easy to skip. There are no offensive words on the list, so it is safe to use in a classroom.

Ways people use it

• Wordle-style practice. Four-letter variants of the game exist, and generating a word with a fixed vowel count is a quick way to build a practice list.
• Crosswords and word searches. Set the start and end letter to match what you already have in the grid and generate ten candidates.
• Scrabble and Boggle training. Roll ten words at a time and try to spot which ones use high-value tiles or awkward letters.
• Spelling and vocabulary drills. Teachers generate a set of ten, dictate them, and have students spell or define each one. Short words keep the exercise moving.
• Passwords and handles. Two or three random four-letter words joined together (waft-knee-lore) make a memorable base for a passphrase or a short username. For longer words the 5 Letter Word Generator and 6 Letter Word Generator work the same way.
• Pictionary, charades and improv. A random four-letter verb or noun is a fast, drawable prompt.

Why four-letter words are a category of their own

Four letters is the shortest length at which English has real variety. Three-letter words are mostly function words and a few hundred nouns; four-letter words number in the low thousands in a full dictionary and cover nearly every part of speech. Because they are short, they are heavy on consonant clusters (scud, waft, balk) and on vowel-consonant patterns that make them ideal for phonics, for hangman and for the common word-ladder puzzle where you change one letter at a time (cold to warm in four moves). If you need shorter, try the 3 Letter Word Generator; for the full range of lengths, see all word and language generators.