PERISHABLE / PERISHING
Perishable: liable to die or perish quickly.
e.g. Fresh vegetables are perishable if you don't put them in the refrigerator.
Perishing: causing suffering.
e.g. Negative thinking may cause perishing emotions and thoughts.
SEDATIVE / SEDENTARY
Sedative: calming or soothing.
e.g. Without her sedative medicine, she could not go to sleep.
Sedentary: accustomed to sitting; physically inactive.
e.g His sedentary work -- sitting in front of the computer -- took a toll on his health.
e.g. Most seniors have a sedentary lifestyle as they continue to age.
FRAGILE / FRAIL
Fragile: delicate, easily broken.
e.g. This piece of antique is fragile; please handle with care.
Frail: weak in health; without strong support.
e.g. He looks pale and frail.
e.g. The Senator received frail support from his party.
PERIODIC / PERIODICAL
Periodic: occurring again and again.
e.g. The singer has never really retired with periodic appearance on TV.
Periodical: published at regular intervals.
e.g. This is a periodical magazine -- published once a month.
REMOVABLE / REMOVED
Removable: can be dismissed or removed.
e.g. This is a removable position, not a permanent one.
Removed: distant, remote, separate.
e.g. He is my removed relative.
IMPAIR / REPAIR
Impair: weaken or repair.
e.g. Spending too much time on the computer may impair your vision.
e.g. Eye exercises can repair your vision
Copyright© by Stephen Lau