
1) Betrays amazement 2) Betrays astonishment 3) Betrays awe 4) Dehisces 5) Displays astonishment 6) Drops the jaw 7) Exhibits shock 8) Fit of yawning 9) Gawks 10) Goggles 11) Hangs open 12) Is slack-jawed 13) Is visibly thunderstruck 14) Is wide open 15) Looks aghast 16) Looks amazed 17) Looks astonished
Found on
https://www.crosswordclues.com/clue/gapes

1) Gawks
Found on
https://www.crosswordclues.com/clue/gapes

A disease of young chickens, turkeys, and other birds caused by the gapeworm, Syngamus trachea, which localises in the trachea and causes gasping and choking; infection is either direct, by ingestion of infective eggs, or indirect, by ingestion of transport hosts such as land snails, slugs, or earthworms. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973

Gapes is a disease of young domestic fowl, characterized by gaping or gasping for breath and caused by small parasitic worms in the windpipe (gapeworms).
Found on
http://www.probertencyclopaedia.com/browse/BG.HTM

gape, gapes, gaping, gaped 1. To stare with open mouth, as in wonder. 2. To involuntarily open the mouth wide, as the result of hunger, sleepiness, or absorbed attention. 3. To open as a gap; split or become wide open. 4. A wide opening; a gap; a breach. 5. In zoology: The width of the mouth when opened, as with birds, fish, etc.
Found on
http://www.wordinfo.info/words/index/info/view_unit/1523/
No exact match found.