How to spell PERIDOC correctly?

If you have mistyped "peridoc" and meant "periodic", some correct suggestions would be "periodical", "recurrent" or "cyclic". These words describe things that happen regularly or repeatedly, such as the cycles of the moon or the publication schedule of a magazine. So, double-check your spelling and choose the right word for your intended meaning.

• period My favorite subject in history is the medieval period.
• periodic The teacher reminded her students to review their notes regularly to ensure that they understand the periodic concept.

Intertubing

• antedating
• entertain
• entertainer
• entertaining
• inditing
• inner-tubing
• intertwine
• interurban
• intuiting
• undertaking