pore (n.)
- aperture
- avenue
- blowhole
- canal
- cavity
- channel
- chasm
- check
- chute
- clearing
- cleft
- con
- crack
- disclosure
- door
- duct
- egress
- escape
- estuary
- exhaust
- exit
- fenestra
- fistula
- floodgate
- flume
- fontanel
- foramen
- gap
- gape
- gat
- gulf
- hiatus
- hole
- hollow
- inlet
- interval
- lacuna
- leak
- loophole
- meatus
- opening
- orifice
- ostium
- out
- outcome
- outfall
- outgo
- outlet
- oviduct
- passageway
- perforation
- port
- read
- salpinx
- slot
- sluice
- space
- spiracle
- split
- spout
- stoma
- study
- tap
- ureter
- urethra
- vagina
- vas
- vent
- venthole
- vessel
- vomitory
- weir
- yawn
