Words that begin with "I"
Words that begin with "R"
100

illustrates 

explain or make (something) clear by using examples, charts, picture

100

Reveal

make (previously unknown or secret information) known to others. 

200

Incorporates

Take in or contain (something) as part of a whole; include

200

Reinforces

strengthen (an existing feeling, idea, or habit)

300

Point out; show

Indicate

300

Say something again or a number of ties, typically for emphasis or clarity

reiterates

400

deduce or conclude (information) from evidence and reasoning rather than explicit statements 

Infers

400

subject( someone or something)  to contemptous and dismissive language or behavior

Ridicules

500

make (information) known; communicate

Imparts

500

Summarize and state again the main points of

Recapitulates