The term 'speak hesitantly' can be described by two crossword solutions: STAMMER (7 letters) and HAW (3 letters). Stammering is a speech disorder in which the flow of speech is disrupted by involuntary repetitions and prolongations of sounds, syllables, words, or phrases. Hawing is a type of stammering in which the speaker pauses for a long time before speaking. Both stammering and hawing are forms of speaking hesitantly.