10-Letter Words Containing: I,R,T,I,E,T,H

• relating to or involving arithmetic

• the branch of pure mathematics dealing with the theory of numerical calculations

• involving persons of different religious faiths

• make high-pitched sounds, as of birds

• careful and diligent in the use of resources

• mindful of the future in spending money

• position 30 in a countable series of things

• coming next after the twenty-ninth in position

• A supposed universal antidote against poison.