Rhymes with on the supposition that

WordSyllablesCategories
affair
x/
Noun, Noun
allegation
xx/x
Noun
appreciation
xxx/x
Noun
assertion
x/x
Noun
assumption
x/x
Noun
base
/
Noun, Verb, Adjective
basis
/x
Noun
conclusion
x/x
Noun
conjecture
x/x
Noun, Verb
contention
x/x
Noun
cornerstone
/xx
Noun
correspond
xx/
Verb
course
/
Noun, Verb, Adverb
etymology
xx/xx
Noun
foundation
x/x
Noun
given
/x
Noun, Adjective
groundwork
/x
Noun
guess
/
Verb, Noun
guesswork
/x
Noun
hypothesis
x/xx
Noun
inference
/xx
Noun
notion
/x
Noun
postulate
/xx
Noun, Verb, Adjective
precondition
xx/x
Noun, Verb
premise
/x
Noun, Verb
presumption
x/x
Noun
presumptive
x/x
Adjective
presupposition
xxx/x
Noun
proposition
xx/x
Noun, Verb
scenario
x/xx
Noun
speculation
xx/x
Noun
stipulation
xx/x
Noun
supposing
x/x
Noun
surmise
x/
Verb, Noun
tentative
/xx
Adjective, Noun