The Battle of Grand Gulf was fought on April 29, 1863, during th: English forms new words from existing words or roots in its vocabulary through a variety of processes. One of the most productive processes in English is conversion,[228] using a word with a different grammatical role, for example using a noun as a verb or a verb as a noun. Another productive word-formation process is nominal compounding,[225][227] producing compound words such as babysitter or ice cream or homesick.[228] A process more common in Old English than in Modern English, but still productive in Modern English, is the use of derivational suffixes (-hood, -ness, -ing, -ility) to derive new words from existing words (especially those of Germanic origin) or stems (especially for words of Latin or Greek origin).