You may be thinking of the Highland 'Fling'.
The statement is correct. "What" has 4 letters. "Sometimes" has 9 letters. "Never" has 5 letters.
There doesn't seem to be one. It seems to be discussing a body of water, but nothing seems to fit. Brook (5 letters) Creek (5 letters) River (5 letters) Stream (6 letters) "A stream" is 7 letters, but that is 2 words and has a space.
Hockey, Soccer, Tennis, Rugby, T-Ball, Dance, Fetch Track, and maybe etc...
Many words of vocabulary end with the letter "A" and are only 5 letters long. Some of these are: Aroma, Atria, Abaca, Arena, and Aloha.
A striped animal that has a name that is 5 letters long is the zebra. Another striped animal with a name that has 5 letters is the tiger.
Bowls Poker Rodeo Rugby Scuba
* A to F is 5 letters up from start of alphabet * Z to U is 5 letters down from end of alphabet * G to L is 5 letters up from start of alphabet * T to O is 5 letters down from end of alphabet