supplement

Added bonus material

A supplement is something added to complete or enhance something else.

Dietary supplements are pills or powders meant to supply nutrients that might be missing from one's diet.

A newspaper supplement is an extra section, often focusing on a particular topic.

The verb supplement means to add to or complete: She supplements her income with freelance work.

The underlying idea is always filling a gap or making up for a deficiency.

complement

accessory

Supplementary addition

extension · auxiliary · extra · add-on · enhancement · support · pairing · synergy · component · partner

nutrition

vitamins

Essential organic nutrients

calcium · iron · zinc · magnesium · probiotics · antioxidants · electrolytes · amino acids · multivitamin · fish oil

addition

addendum

Supplementary text at end

insert · postscript · afterword · footnote · endnote · sidebar · epilogue · codicil · rider · errata

enhance

boost

Upward push or increase

enrich · reinforce · amplify · elevate · improve · intensify · bolster · heighten · optimize · support

deficiency

anemia

Red cell deficiency

rickets · osteoporosis · goiter · malnutrition · undernourishment · depletion · insufficiency · shortage · lack · inadequacy

journalism

insert

Place within another thing

feature · lifestyle section · glossy

income

earnings

Money gained from work

bonus · freelance · side hustle · moonlighting · overtime · gig work · part-time · second job · pension · benefits

Categories
Opposites
addition vs. subtraction

supplementsubtract

Remove from a sum

reduction · depletion · decrease · subtraction · diminishment

SUPPLEMENTARY vs. PRIMARY

supplementcore

Central essential portion

base · essential · main · primary · foundation

TEXTUAL POSITION (publishing)

supplementpreface

Introductory book section

foreword · introduction · prologue · preamble · prelude

Phrases
Family

supplements, supplemental, supplementary, supplemented, supplementing, supplementation, supplementals

Familiarity
Top 20,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G