Big Huge Thesaurus

rigourousness

noun

• asperity
• grimness
• hardship
• rigor
• rigour
• severity
• severeness
• rigorousness
• harshness
• inclemency
• hardness
• stiffness
• difficultness
• difficulty
• sternness
• strictness

sounds kind of like

• resurgence
• rigorousness
• roger sessions