Crossword clue: compare (used in texts to point the reader to another location in the text)
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
cf
2 letters
wn-def
the most common hereditary disease; the child's lungs and intestines and pancreas become clogged with thick mucus; cause