To relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to., To engage by feeling or sentiment; to interest; as, a good prince concerns himself in the happiness of his subjects., To be of importance., That which relates or belongs to one; business; affair., That which affects the welfare or happiness; interest; moment., Interest in, or care for, any person or thing; regard; solicitude; anxiety., Persons connected in business; a firm and its business; as, a banking concern.
Reassured; at ease is the opposite of concerned.
It is concerned with frequency.
care
It can be defined as followed. Person Concerned with the diagnosis.
Symbolic interaction
Care about being concerned or mindful about the concerns of a given person.
Converened isn't a word that I can find a definition for: maybe you mean concerned? From Dictionary.com: "Concerned is an adjective, meaning: "1. interested or affected: concerned citizens. "2. troubled or anxious: a concerned look. "3. having a connection or involvement; participating: They arrested all those concerned in the kidnapping."
Religion
The word you're looking for is Pedantic.
from the Greek μύκης, mukēs, meaning "fungus" -ology any science/branch of knowledge It is a branch of biology concerned with the study of fungi
The word is "dermatology" from the root derm or derma, meaning skin. Dermatology is the branch of medicine that is concerned with the physiology and pathology of the skin.
Philosophy is the academic discipline concerned with first causes and principles and of the purpose and meaning of existence.