forwarn or forewarn /fər- or för-wörnˈ/

To forbid

• nucleolated
• nucleole
• nucleoles
• nucleoli
• nucleolus
• nucleon
• nucleonics
• nucleon number
• nucleon numbers
• nucleons
• nucleophilic
• nucleoplasm
• nucleoplasms
• nucleoprotein
• nucleoproteins
• nucleoside
• nucleosides
• nucleosome
• nucleosomes
• nucleosyntheses
• nucleosynthesis
• nucleotide
• nucleotides
• nucleus
• nucleus accumbens