supplementals

Added support documents

Supplementals are additional materials that accompany or complete something primary.

In education, supplementals are extra readings or resources beyond the main textbook.

In government, supplemental appropriations provide funding beyond the regular budget: Congress passed supplementals for disaster relief.

In comics and gaming, supplementals expand on core content with background lore or optional rules.

publishing

appendices

Added sections after main text

sidebars · inserts · errata · indexes · glossaries · endnotes · backmatter · extended editions

insurance

riders

Those who mount animals

educational

extra credit

Optional work for higher grades

educational aids

nutritional

vitamins

Essential organic nutrients

probiotics · protein powder · herbal extracts · amino acids · antioxidants · fish oil · calcium tablets · zinc · magnesium · vitamin D

budgetary

contingency funds

Reserved money for emergencies

bridge financing

Opposites
core vs. additional

supplementalsessentials

Indispensable items or elements

fundamentals · basics · mainstays · staples · core curriculum

required vs. optional

supplementalsrequirements

Necessary conditions for something

requisites · mandatories · prerequisites · necessities · compulsories

completeness

supplementalscomplete set

All items together

Phrases
Family

supplemental, supplementary, supplementation

Familiarity
Top 200,000
Profile
Used worldwide · Timeless · Everyday, not technical · Rated G