Difference between Alkaptonuria and Alcaptonuria

What is the difference between Alkaptonuria and Alcaptonuria?

Alkaptonuria as a noun is a rare inherited genetic disorder of phenylalanine and tyrosine metabolism, causing the accumulation and eventual excretion of alkapton. while Alcaptonuria as a noun is

We hope you now know whether to use Alkaptonuria or Alcaptonuria in your sentence.