-ary

A period of 100 consecutive years; often specifically a numbered period with conventional start and end dates, e.g., the twentieth century, which stretches from (strictly) 1901 through 2000, or (informally)...

required or essential; unavoidable

Most important or fundamental; a preliminary political election

Belonging to the same time period; modern; a person of the same era

A person handling clerical work; the head of a government department

A place where books are kept for public use; a collection of books or media

Normal and not special; typical or everyday

A fixed regular payment from employer to employee

Basic, fundamental, or very simple; relating to primary education

A structure blocking movement; anything preventing progress

Very unusual or remarkable; far beyond what is ordinary

Relating to literature or writing; knowledgeable about literature

A room or building equipped for scientific research and experiments

Lasting only a limited time; not permanent; a short-term employee

The yearly recurrence of the date of a past event

Of second rank or importance; derived from something primary

A form with a set of questions used to gather information

Relating to official rules and control of an activity

Causing dramatic change; a person who supports revolution

Coming before and preparing for the main event; an introductory action or qualifying round

Done freely by choice, without being forced; working without payment

A person sent to spread religion abroad; relating to such work

A brief statement of main points; concise and done without full procedure

Relating to legend; extremely famous or remarkable