Answer:
Rickets
Step-by-step explanation:
You see, here is very very tricky, Osteomalacia is similar to Rickets but, Ostemalacia is a disease, not a disorder, Rickets is a disorder. Even though Osteomalacia and Rickets are due to bone softening, and lacking vitamins, mostly vitamin D, Osteomalacia is a **disease** not a disorder.
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