Countable Nouns That Start with P and End with SIS

Explore 89 verified English countable nouns starting with P and ending with SIS, including Paralysis, Prognosis, Psychosis, Psychoanalysis, Parenthesis, Psoriasis and Prosthesis. Sort these count nouns with singular and plural forms by word length for ESL grammar practice, determiner usage, and plural spelling below, or review singular and plural count rules in our noun grammar guide.

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Starts with PA24 words
paralysis
parenthesis
pathogenesis
paracentesis
parasitosis
paralipsis
parabiosis
paraphimosis
paraparesis
papillomatosis
palingenesis
paraenesis
pasteurellosis
paedomorphosis
paragenesis
parabasis
paraphysis
parathesis
parasynthesis
paraphrasis
parenesis
parapophysis
parasynapsis
parasymbiosis
Starts with PE7 words
periphrasis
periapsis
pericardiocentesis
periegesis
peritoneocentesis
pericardiosymphysis
perineosynthesis
Starts with PH20 words
phagocytosis
phimosis
photolysis
pheresis
phalaenopsis
physis
phylogenesis
phasis
phlebothrombosis
phosphorolysis
phycomycosis
photokinesis
phytosis
pharmacopsychosis
pharmacodiagnosis
phylesis
pharyngoparalysis
phuopsis
phlebarteriodialysis
photoanamorphosis
Starts with PI
2 words
pinocytosis
piroplasmosis
Starts with PL5 words
plasmapheresis
plasmolysis
plateletpheresis
pleurocentesis
pleurapophysis
Starts with PN3 words
pneumoconiosis
pneumonocirrhosis
pneumonocentesis
Starts with PO3 words
polyposis
polyhedrosis
postzygapophysis
Starts with PR9 words
prognosis
prosthesis
prolepsis
proteolysis
protasis
proptosis
prothesis
proclisis
proairesis
Starts with PS10 words
psychosis
psychoanalysis
psoriasis
psychoneurosis
pseudarthrosis
pseudoarthrosis
pseudocyesis
psephoanalysis
psilosis
pseudoparthenogenesis
Starts with PT
2 words
ptosis
pterylosis
Starts with PY
2 words
pyrolysis
pycnosis

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