1
gut(noun, opening)
1
hiatus
1
hole
1
hollow
1
inlet
1
interval
1
intestine
1
lacuna
1
leak
1
lesion
1
orifice
1
outlet
1
papule
1
passage(noun, opening)
1
pile
1
pipe(noun, opening)
1
pit(noun, opening)
1
polyp
1
pore
1
receptacle
11 years ago|2k views|share |citing 
APASmart Define. (2015). fistula thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fistula/thesaurus/synonyms
ChicagoSmart Define. 2015. "fistula thesaurus" https://smartdefine.org/fistula/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, fistula thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fistula/thesaurus/synonyms>.
MLASmart Define. "fistula thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/fistula/thesaurus/synonyms>