Equations

3 clues
Algebra work
Some memorization for a physics test
Chalkboard writings in a physics class
Similar answers:
Abbreviations
Aberrations
Abolitions
Abstentions
Accusations
Actions
Activations
Addictions
Additions
Adequacy
Adequate
Adequately
Adjurations
Adoptions
Africannations
Agedirections
Ageexpectations
Agitations
Aidstations
Alienabductions