прозявам се означава в английски

gape [gaped, gaping, gapes]▼(to open the mouth wide)
verb
[UK: ɡeɪp] [US: ˈɡeɪp]

yawn [yawned, yawning, yawns]▼(open the mouth and take a deep breath)
verb
[UK: jɔːn] [US: ˈjɒn]