Synonyms for principal question

Synonyms for principal

main (primary, key, central >>)
chief (head, director, rector >>)
school principal (headmaster, head master, headmistress >>)
leading
lead
head teacher
greatest
basic (fundamental, principle, core >>)
principal sum
overriding

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Synonyms for question

issue (matter, problem, challenge >>)
topic
doubt (wonder, query, request >>)
ask (inquire, interrogate, call into question >>)
inquiry
debate
point

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