What this suffix does
-side forms place compounds meaning "next to something": bedside, lakeside, roadside, fireside.

Suffix · forms nouns / adjectives
Forms compounds naming a place next to or at the edge of something: bedside, fireside, lakeside, hillside, ringside, alongside.
Written by Bryan López, English teacher · Updated
-side forms place compounds meaning "next to something": bedside, lakeside, roadside, fireside.
Noun + side.
This is not a productive rule you can apply freely: it is a closed set of fixed expressions. Learn them one by one as set phrases.
-side/saɪd/ · sounds like "side"
Tap the button to hear how the ending sounds. Each word in the table has its own audio.
The idiomatic expression is "fall by the wayside" (fail to continue, be abandoned). "Roadside" is not part of this phrase.
"Bedside" already implies the bed. Say "bedside table," "bedside manner," "at the bedside" — never "bedside of the bed."
A trick to remember it
"-side" = right next to something, literal. Picture standing exactly there: bed-SIDE, lake-SIDE.
Exercise 1 · Form the word
Exercise 2 · Pick the right one
"To fall by the wayside" means...
Exercise 3 · Form the word
The suffix -side forms compounds naming a place next to or at the edge of something: bedside, fireside, lakeside, hillside, ringside, alongside. In Spanish it usually maps to junto al / al lado del.
The ending -side is pronounced /saɪd/ · sounds like "side". For example, "alongside".
"along" becomes "alongside". It is a typical example of the -side suffix.
From Dutch "landschap" (landscape): forms nouns for panoramic views or entire realms. Landscape, seascape, moonscape, cityscape, dreamscape, soundscape, mindscape, cloudscape.
Turns a direction word into a direction adverb/adjective: inward, outward, forward. Works with almost any direction word, it is productive.
Turns a word into an adverb of manner or direction: otherwise, likewise, clockwise. It is also used freely today to mean "in terms of X": money-wise, career-wise, weather-wise.
-tion, -ness, -ful, -ly, -able... every ending you need to understand thousands of words at once.