nitty-gritty/ˌniti ʹgriti/ noun

• critical angle
• critical mass
• critical path
• critical point
• critical state
• critical temperature
• criticise
• criticism
• criticize
• critique
• critter
• croak
• Croat
• Croatian
• croc
• crochet
• croci
• crocidolite
• crock
• crockery
• crocket
• crocodile
• crocodile clip
• crocodile tears
• crocodilian