RiTa.singularize() failing cases

[dhowe]

Examples:

RiTa.singularize("hooves") -> "hoove", should be "hoof"
RiTa.singularize("thieves") -> "thieve", should be "thief"
RiTa.singularize("rabbis") -> "rabbis", should be "rabbi"
RiTa.singularize("flus") -> "flus", should be "flu"
RiTa.singularize("safaris") -> "safaris", should be "safari"
RiTa.singularize("sheaves") -> "sheave", should be "sheaf"
RiTa.singularize("uses") -> "us", should be "use"
RiTa.singularize("pinches") -> "pinche", should be "pinch"
RiTa.singularize("catharses")->cathars, should be "catharsis"
RiTa.singularize("indices")->cathars, should be "index"

[cqx931]

Isn't 'flu' uncountable?

[dhowe]

Could be either way (whichever is easier): https://www.wordhippo.com/what-is/the-plural-of/flu.html