• SWARTHMORE is an anagram of EARTHWORMS.
• The sum of the reciprocals of the divisors of any perfect number is 2.
• We recite at a play and play at a recital.
• Is sawhorse the past tense of seahorse?
• “Things ’twas hard to bear ’tis pleasant to recall.” — Seneca

In Book II, Chapter 9, of H.G. Wells’ novel The War of the Worlds, a sentence begins “For a time I stood regarding …” These words contain 3, 1, 4, 1, 5, and 9 letters.

(Thanks, Dheeraj.)