About: number of difficulty

Head noun: number
Postmodifier: of difficulty

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
lack	isap:305760219	0.337252
expulsion	isap:132391113	0.296741
problem	isap:265776670	0.275195
ability	isap:271983160	0.269133
cost	isap:306790076	0.205373
time	isap:310284061	0.181665
however	isap:275807127	0.148625
there	isap:161004610	0.128708