possessing or involving detailed knowledge or study of restricted topic. Person who works in one specific area or field.

Happening regularly, but not frequently.

engaging in speech. action of talking. To make a formal speech about something.

used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.

Concerning one particular thing or kind of thing. medicine or remedy effective in treating particular disease.

Exact street location of a place. To write the place someone lives on a letter.

relating to finance. organization's finances.

each of parts into which something is or may be divided. Parts divided from the other parts of some things. To separate something into different parts.

reason why something is done etc.. have as intention or objective.

Expert in strategy (especially in warfare).

Nearly the same; alike. person or thing similar to another.

under normal conditions.

sum paid into bank. Natural laying down of layers over time. To put money or valuable items in a bank.

very strong emotion.

give intellectual, moral, and social instruction to someone.