Answer:

1.

Similarity: They both help plant growth and give important effects to plants.

Difference: Both gives out different weathers and temperature (ex.: it could be colder in rainy days and hotter in sunny days).

2.

Similarity: Both give detailed information on a variety of topic, focused on word meaning and usage, and on word spellings, and presents their listing alphabetically.

Difference: Dictionaries provide linguistic information about words themselves, while encyclopedias focus more on the thing for which those words stand.

3.

Similarity: Both have healing professions (one is physical healing, and the other is spiritual healing)

Difference: Doctors work in a hospital, meanwhile a priest in a church.

4.

Similarity: Both works the same as a drinking instrument.

Difference: The determining factor between glass and cup is height and or thinness.

5.

Similarity: Both have someone that teaches (ex.: a priest gives out a sermon for the day, while a teacher gives out a lesson to the class)

Difference: Both teaches different aspects on something.