What this suffix does
-monger names a merchant (fishmonger, normal in British English) or, much more commonly today, someone who spreads something harmful: warmonger, scaremonger.

Suffix · forms nouns
From Old English "mangere" (dealer, trader): forms nouns for traders and — more powerfully — spreaders of harmful things. Warmonger, scaremonger, fishmonger, ironmonger.
Written by Bryan López, English teacher · Updated
-monger names a merchant (fishmonger, normal in British English) or, much more commonly today, someone who spreads something harmful: warmonger, scaremonger.
New -monger combinations are almost always negative: "fearmongering", "warmongering". The neutral "merchant" sense only survives in a handful of British words like fishmonger.
Noun + monger. Produces nouns for traders or spreaders of something.
In modern English, new -monger coinages are almost always pejorative: "fearmongering," "warmongering." The neutral trade sense survives only in a handful of British English words.
-monger/mʌŋɡər/ · rhymes with hunger
Tap the button to hear how the ending sounds. Each word in the table has its own audio.
"scaremonger" is active, not passive. A scaremonger deliberately creates and spreads fear, usually for political or commercial gain. NOT someone who is afraid, but someone who makes others afraid.
"fishmonger" (and "ironmonger") are still current in British English — you see them on shop signs, in menus, and in everyday speech. "I got this salmon from the fishmonger on the high street." Only in American English have they been largely replaced.
A trick to remember it
Picture a street vendor who won't stop pushing their product until it's annoying: a fishMONGER shouts to sell fish at the market. Today it's almost always shouting to sell something bad: warMONGER, fearMONGER.
Exercise 1 · Form the word
Exercise 2 · Pick the right one
A "scaremonger" is someone who...
Exercise 3 · Pick the right one
"Fishmonger" is...
The suffix -monger from Old English "mangere" (dealer, trader): forms nouns for traders and — more powerfully — spreaders of harmful things. Warmonger, scaremonger, fishmonger, ironmonger. In Spanish it usually maps to comerciante de / propagador de.
The ending -monger is pronounced /mʌŋɡər/ · rhymes with hunger. For example, "warmonger".
"war" becomes "warmonger". It is a typical example of the -monger suffix.
From French "-ier": forms nouns for a person who works with something or carries out an activity. Pioneer, privateer, profiteer, buccaneer, engineer.
From Old English "-estre": forms person nouns associated with an activity or group. Trickster, gangster, prankster, youngster, spinster, mobster, hipster.
From Old English "wryhta" (worker, maker): forms nouns for skilled craftsmen and makers. Playwright, wheelwright, shipwright, wainwright, millwright.
-tion, -ness, -ful, -ly, -able... every ending you need to understand thousands of words at once.