Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Spitfires were fitted with the Rolls-Royce Merlin engine, which was shared by P-51 Mustangs as well.
Source: https://www.slashgear.com/1351010/old-airplanes-still-worth-money-today/