American English and British English are two widely used variants of the English language, each with its own differences in vocabulary, spelling, grammar, and pronunciation.
Words like "truck," "apartment," and "elevator" are commonly used in American English, whereas British English prefers "lorry," "flat," and "lift."
In spelling, American English simplifies words by dropping certain letters—such as "color" and "favor"—and uses "z" in words like "realize." In contrast, British English retains the "u" in "colour" and "favour," and prefers "s" in "realise."
Grammatically, Americans tend to use the simple past tense more often (e.g., "I already ate"), while the British typically use the present perfect (e.g., "I have already eaten").
In pronunciation, American English is usually rhotic, meaning the "r" is pronounced clearly in all positions. British English, on the other hand, is often non-rhotic, so the "r" may be dropped unless followed by a vowel.
Despite these differences, both versions are correct, widely accepted, and mutually understood by English speakers around the world.