Autumn:
It is one of the four temperate seasons. Autumn marks the transition from summer into winter in September or March when the arrival of night becomes noticeably earlier and the temperature cools considerably. One of its main features is shedding of leaves from deciduous trees. Most foods are harvested during autumn; foods particularly associated with this season include pumpkins and apples.
Fall:
Fall is known as autumn, lasts for three months and in Western cultures, begins on September equinox in the Northern Hemisphere and the March equinox in the Southern Hemisphere. Fall is noticed for harvests, cooling temperatures, shorter days and the start of holiday season in the West. The autumn equinox occurs around third week of September and is the point on the calendar when the number of daylight hours roughly equals the number of nighttime hours (about 12 each).
Differences:
| Basis | Autumn | Fall |
|---|---|---|
| Definition (www.oxforddictionaries.com) |
The season after summer and before winter, in the northern hemisphere from September to November and in the southern hemisphere from March to May | Autumn |
| Synonyms | Harvest, midwinter, canicular, winter, equinox, seasonal | Slump, downfall, topple, pitch, plunge, collapse |
| Antonyms | Spring, sunrise, takeover, spring, occupation, origin, ramp | Ascend, attain, arise, ascension, augmentation, gain, conquer |
| Word origin | The word autumn was originated from Late Middle English: from Old French autompne, or later directly from Latin autumnus. | The word fall was originated from Old English fallan, feallan, of Germanic origin; related to Dutch vallen and German fallen; the noun is partly from the verb, partly from Old Norse fall ‘downfall, sin’. |
| Between | It is the season that comes between summer and winter. | It is also the season that comes between summer and winter. |
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