Paucity
Part of speech: noun
Definition: Fewness in number; a small number. Smallness in size or amount; meagerness.
Dearth
Part of speech: noun
Definition: A period or condition when food is rare and hence expensive; famine.Scarcity; a lack or short supply.Dearness; the quality of being rare or costly.
Example sentence: Gerald Jonas's book about stuttering is called 'The Disorder of Many Theories.' Back theory seems to suffer from the same 'Rashomon' effect: as with almost every human problem, there is no dearth of answers and no answer.