Index case
"Radiographer" is a compound word that starts with "radio." It refers to a person who performs medical imaging procedures using radiation.
Someone who starts their own business instead of working for someone else. A self-employed person.
In some contexts the word exemplar would have that meaning.
If you have a persistent cough that only happens or starts at night, it is called a nocturnal cough. This type of cough is usually non-productive.
Rheumatism
If a popular person starts it
A person who starts an organization is called its founder.
Dysplasia is the medical term meaning abnormal growth.dysplasiaIt Starts with canA tumor.
diabetes
No its oral.
rADIOLOGIST
Examples of common nouns for a person that starts with 'd' are:dancerdaughterdealerdecoratordentistdetaineedirectorditch diggerdoctordoormandramatistdruggist