guck /guk/ (esp N American; slang)

1. Slimy, gooey muck
2. Anything unpleasant or unappealing

• mucopolysaccharide
• mucopurulent
• mucor
• Mucorales
• Mucorineae
• mucors
• mucosa
• mucosae
• mucosal
• mucosanguineous
• mucosities
• mucosity
• mucous
• mucous membrane
• mucous membranes
• mucoviscidoses
• mucoviscidosis
• mucro
• mucronate
• mucronated
• mucrones
• mucros
• muculent
• mucus
• mucuses