9-letter words that end in son
- parkinson — a common neurologic disease believed to be caused by deterioration of the brain cells that produce dopamine, occurring primarily after the age of 60, characterized by tremors, especially of the fingers and hands, muscle rigidity, shuffling gait, slow speech, and a masklike facial expression.
- patterson — Eleanor Medill ("Cissy") 1884–1948, U.S. newspaper editor and publisher.
- preseason — one of the four periods of the year (spring, summer, autumn, and winter), beginning astronomically at an equinox or solstice, but geographically at different dates in different climates.
- rawlinson — George, 1812–1902, English historian.
- robertson — Oscar Palmer ("The Big O") born 1938, U.S. basketball player.
- samuelson — Paul A(nthony) 1915–2009, U.S. economist: Nobel prize 1970.
- sanderson — Tessa. born 1956, British javelin-thrower: won gold at the 1984 Olympics
- saucisson — a large and thick sausage
- stevenson — Adlai Ewing [ad-ley yoo-ing] /ˈæd leɪ ˈyu ɪŋ/ (Show IPA), 1835–1914, vice president of the U.S. 1893–97.
- sturluson — Snorri Sturluson.
- tillotson — John, 1630–94, English clergyman: archbishop of Canterbury 1691–94.
- tomlinson — Henry Major, 1873–1958, English journalist and novelist.
- watterson — Henry ("Marse Henry") 1840–1921, U.S. journalist and political leader.
- wilkinson — Geoffrey, 1921–96, British chemist: Nobel prize 1973.