The shortcut key for thesaurus is
Tap an option to check yourself.
Answer: B) Shift + F7
F7 opens spelling and grammar check, while Shift+F7 opens the thesaurus.
Source: Scan #6 page 4 Q177
F7 opens spelling and grammar check, while Shift+F7 opens the thesaurus.
Source: Scan #6 page 4 Q177