• Relevant word or phrase for nub is nubble
• Relevant word or phrase for nub is stub
• Relevant word or phrase for nub is heart
• Relevant word or phrase for nub is center
• Relevant word or phrase for nub is sum
• Relevant word or phrase for nub is centre
• Relevant word or phrase for nub is core
• Relevant word or phrase for nub is essence
• Relevant word or phrase for nub is substance
• Relevant word or phrase for nub is inwardness
• Relevant word or phrase for nub is meat
• Relevant word or phrase for nub is marrow
• Relevant word or phrase for nub is gist
• Relevant word or phrase for nub is nitty-gritty
• Relevant word or phrase for nub is pith
• Relevant word or phrase for nub is heart and soul
• Relevant word or phrase for nub is kernel