Observation, observance. Observation means to watch, to look at. Observance means to celebrate, to keep. Observation applies to a fact or an object; observance to a festival, a holiday, or a rule.

  1. The —— of the astronomer proved the theory.
  2. Sunday —— is of value to one's bodily as well as to one's spiritual health.
  3. The —— of the sanitary regulations was insiste d upon.
  4. The scientist needs highly developed powers of ——.

Respectively, respectfully. Respectively means particularly, relating to each. Respectfully means characterized by high regard.

  1. These three kinds of architecture were characterized —— as "severe," "graceful," and "ornate."
  2. Sign your letter "Yours ——," not "yours ——."
  3. Their shares were —— two hundred dollars and five hundred dollars,
  4. The class —— informed the faculty of their desire.

Suspect, expect. Suspect means to mistrust. Expect means to look forward to.

  1. I —— that he will come.
  2. He —— his brother of hiding his coat.
  3. When do you —— to finish the work?
  4. The man was never before —— of having done wrong.

Teach, learn. See Glossary under learn.

  1. You must —— him to be careful.
  2. He must —— to be careful.
  3. To —— a class to study is a difficult task.
  4. Who —— your class to-day.

Transpire, happen. Transpire does not mean to happen. It means to become gradually known, to leak out.

  1. She knows everything that —— in the village.
  2. It —— that he had secretly sold the farm.
  3. No more important event than this has —— in the last ten years.
  4. It has now —— that some money was stolen.