burdensomeness 14 Associations

heaviness onerousness oppressiveness difficulty (generic term) difficultness (generic term)

effortfulness 13 Associations

difficulty (generic term) difficultness (generic term) effortlessness (antonym)

formidability 13 Associations

toughness difficulty (generic term) difficultness (generic term)

hardness 8 Associations

ruggedness difficulty (generic term) difficultness (generic term)

heaviness 9 Associations

burdensomeness onerousness oppressiveness difficulty (generic term) difficultness (generic term)

inconvenience 13 Associations

troublesomeness worriment difficulty (generic term) difficultness (generic term)

niceness 8 Associations

subtlety difficulty (generic term) difficultness (generic term)

onerousness 11 Associations

burdensomeness heaviness oppressiveness difficulty (generic term) difficultness (generic term)

oppressiveness 14 Associations

burdensomeness heaviness onerousness difficulty (generic term) difficultness (generic term)

ruggedness 10 Associations

hardness difficulty (generic term) difficultness (generic term)

subtlety 8 Associations

niceness difficulty (generic term) difficultness (generic term)

toughness 9 Associations

formidability difficulty (generic term) difficultness (generic term)

troublesomeness 15 Associations

inconvenience worriment difficulty (generic term) difficultness (generic term)

worriment 9 Associations

troublesomeness inconvenience difficulty (generic term) difficultness (generic term)