algae vs scruff

algae

• A particular kind of algae. 

• Algal organisms viewed collectively or as a mass; algal growth. 

scruff

• To lift or carry by the scruff. 

• The back of the neck, nape; also scruff of the neck. 

• Someone with an untidy appearance. 

• The loose skin at the back of the neck of some animals. 

• Stubble, facial hair (on males).