Strictly
Part of speech: adverb
Definition: In a strict manner. In a narrow or limited sense.
Example sentence: A state is better governed which has few laws, and those laws strictly observed.
Purely
Part of speech: adverb
Definition: Chastely; innocently.Without adulterants.Wholly.Solely; exclusively; merely.
Example sentence: We plan to eliminate the state of Israel and establish a purely Palestinian state. We will make life unbearable for Jews by psychological warfare and population explosion. We Palestinians will take over everything, including all of Jerusalem.