Big Huge Thesaurus

rigorousness

noun

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

sounds kind of like

• resurgence
• rigourousness
• roger sessions