Prompt Library

Determine whether a passage uses American pajamas or British pyjamas spelling, convert between them, or explain the Persian origin and plural-only grammar rule.

Explain whether story or storey fits a sentence, convert text between English varieties, and cover the meaning test behind the British-only storey spelling.

Determine whether a passage uses American plow or British plough spelling across the farm tool, snowplow, and figurative senses, or convert between them.

Detects whether a passage follows American or British license and licence conventions, checks whether the noun-verb split was applied correctly, and converts text between conventions.

Determine whether a passage uses American mold or British mould spelling, convert between the two, or explain the shared silent-letter rule behind both.

Explain whether text uses sulfur or sulphur, convert the whole derived word family consistently, and cover the 1990 IUPAC standardization history behind the split.

Explain whether text uses American or British spelling, convert between the two varieties, and cover the -er/-re pattern behind theater and theatre.

Explain whether a sentence uses American or British spelling for defense, offense, and pretense, check or convert existing text, and clarify why defensive never changes.

Explain whether text uses American or British spelling for the wheel-covering noun, convert between varieties, and cover why the exhaustion verb tire never changes.

Explain whether a sentence needs curb or kerb, check existing text, or convert between them, since the split applies only to the street-edge noun.

Determine whether a passage uses American mustache or British moustache spelling, convert between the two, or explain the word's shared French origin.

Determine whether a passage uses American offense or British offence spelling, along with defense and pretense, or convert it between the two varieties.

Detect or convert American, British, or Oxford spelling of the -ize/-ise verb family, and explain false-friend words like advertise that never take a Z.

Explain whether each punctuation mark belongs inside or outside a closing quotation mark under American or British style, and check a submitted sentence against it.