See rigor
rigors - noun
rigors - thesaurus
asperity
cogency
grimness
hardness
hardship
harshness
inclemency
rigorousness
rigour
rigourousness
severeness
severity
stiffness
validity
Scrabble score = 7
generated at 06:06:12 on 20-03-25
"This is a fantastic opportunity for our students! I'm sure Spellzone will be invaluable in helping them to improve their spellings and therefore improve the quality of their writing in all subject areas!"
Teacher, High School, UK