rigor

Cruelty is a related term of rigor.

As nouns the difference between cruelty and rigor

is that cruelty is (uncountable) an indifference to suffering or positive pleasure in inflicting suffering while rigor is .

As nouns the difference between rigor and rigorousness

is that rigor is an alternative spelling of from=US|lang=en while rigorousness is the property of being rigorous, strictness.

Rigor is a related term of roughness.

As nouns the difference between rigor and roughness

is that rigor is while roughness is the property of being rough, coarseness.

Rigor is a synonym of harshness.

As nouns the difference between rigor and harshness

is that rigor is while harshness is the quality of being harsh.

As nouns the difference between rigor and strictness

is that rigor is while strictness is (uncountable) the state or quality of being strict.

As nouns the difference between paralysis and rigor

is that paralysis is (pathology) the complete loss of voluntary control of part of person's body, such as one or more limbs while rigor is .

As nouns the difference between rigor and difficulty

is that rigor is while difficulty is the state of being difficult, or hard to do.

As nouns the difference between rancon and rigor

is that rancon is ransom while rigor is .

As nouns the difference between rigor and thoroughness

is that rigor is while thoroughness is the state of being thorough.

As a noun rigor

is an alternative spelling of from=US|lang=en.

As an adjective rigorous is

manifesting, exercising, or favoring rigour; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration.