Difference between Party Pooper and Spoilsport

PARTY POOPER vs SPOILSPORT: NOUN

One who dampens fun; one who declines to participate in a group activity; one who does not agree with the opinions of a group.
One who declines to participate with enthusiasm, especially in the recreational activities of a group.
Someone who spoils the pleasure of others

Pillock, Grumpy, Grump, Sourpuss, Whinger, Grinch, Whiner, Wuss, Wowser, Prude, Buzzkill, Wimp, Wet blanket, Spoilsport, Killjoy

Vishakhapatnam, Menon, Hardball, Cupid, Monsoon, Truant, Havoc, Prepone, Dampener, Footsie, Goof, Spoil, Wet blanket, Killjoy, Party pooper

Hypocrite, Tosspot, Pessimist, Grouch, Pillock, Grumpy, Grump, Sourpuss, Whinger, Grinch, Whiner, Wowser, Prude, Wimp, Killjoy

Duststorm, Lok sabha, Janata, Sticky wicket, Scupper, Kismat, Hardball, Cupid, Monsoon, Truant, Havoc, Goof, Spoil, Killjoy, Party pooper

So I had to be sort of the party pooper in the room oftentimes and trying to bring it back down to earth.
Not to be a party pooper, but with "The Ageless" Fred Taylor's career winding down, somebody needs to assume "ageless" status in 2009.
After all, playing party pooper in a place where most people are out to have fun is a no-no.
This duo has the talent and energy to win over and delight even the most morbid party pooper.
Then Cotillard's character starts gushing blood from her palms, a party pooper to say the least.
Total party pooper, yes, but it makes training and motivation that much more difficult.
This time we are looking on the crossword clue for: Party pooper.
PS: no links to articles with keyboard shortcuts, you party pooper.
Party pooper but bulma returns, gokutm turning super dragon throws freeza?
Party Pooper, the latest game from Madison, Wis.

However, it should not be thought that I am recommending a sour, spoilsport role for the science of psychology.
I am so glad that the rain could not act as a spoilsport while we were performing.
Helmed by Lokesh Kanagaraj, the film was looking at April release this year before coronavirus played spoilsport.
But George was considered a spoilsport, and was ignored.
Hence, you do not have to worry about the season playing spoilsport on your lighting system.
Why then did Karzai play a spoilsport in the Doha process?.
Unseen data can play spoilsport to your project execution and delivery.