We'll begin with an explanation on the Name itself.
This seemingly slight nuance/change reveals a most amazing revelation.
The Sages transmit this amazing day is called "Yom Hakipurim" (in plural) & Not "Yom Kipur" (singular). The Sages Throughout the entire Spoke Torah always call it in the plural form-
Yom Hakipurim "The Day of Complete AtonementS". But because writing it out fully takes time - (longer to write), it was abbreviated as Yom Kipur. But as we already know, The Sages do not transmit a single thing for no reason. Everything has meaning, purpose, & intention. & therefore The Sages transmit everything- all The Transmission From Sinai- exactly as it was given- to us here & now this very day (See Hillel The Luminary Sage Shabbat 30a). So now that we know that- we know that we must see the words Yom Hakipurim spelled out fully- as it is said- & this reveals a most amazing thing. YOM HakiPurim- written out (from right to left) is- יום הכיפורים. It is the same symbols as Yom Hakhi Purim - יום הכי פורים The Day That is The Most Purim Like Day (Of The Entire Year).
This is based on the famous teaching from The Ariza"l about Purim itself- that Purim though celebrated physical acts- is a holiday- very Holy-day- Tremendous Good Blessing & Spiritual Power in the world in this Month. The Month that the destiny of the people of Israel & all good people flipped- where all the evil the government wanted to do to good people- flipped back onto them, in the most AMAZING TWIST way & so the famous teaching is that Yom HaKiPurim is holy because it is KePurim like Purim. Based off of this, if we could say, really to flip it back- That Yom HakiPurim - is Yom Haki Purim - The Most Purim Like Day. Let's examine this fully.
The Sages transmit in The Mishnah (The Index/Launch Pad to The Entire System of Spoke Torah. "There were never better days for Israel than the 15th of The Month of Av, (Tu BeAV)
& Yom Hakipurim The Day Of Complete Atonements. The 10th day of The First Month of The Year- Tishrei). The Sages explain on TuBeAv - The 15 of Av- all the young people would mingle, & everyone wore the same white clothes- no one can see who is rich who is poor everyone is given a chance to shine. This lead to many Marriages, (& marriages on this exact day) & The Sages explain elsewhere- when a person gets married according to Tradition- all their sins are erased- they are born again into a higher existence. This is the connection Why these 2 days are grouped together. So already we know this is a good day- & now to examine this Purim connection- if this is The Most Purim Like Day what does that really mean? The Text of Megilath Esther says that Haman ysv made a Pur/PooR which is a Lottery- (to see what month to genocide the people. (what a nice guy lol)). The text reads: Pur Hoo HaGoraL פור הוא הגורל
Pur IS The Goral = (Pur in Persian means Goral in Hebrew which is Lottery. - Rabbi Ori Sharki) Pur/Goral = Lottery- in Singular.
Puriim/Goraloth = Lotteries - in plural. פורים הן הגורלות
Yom Hachi Purim The Day That Is The Most "Lotteries" filled day.
DRAWN AT RANDOM - God Freely Favors
IN A SINGLE MOMENT YOUR ENTIRE LIFE WILL CHANGE. HASHEM The Name of The Infinite One revealed to MoSHEH/Moses "...& I WILL FREELY FAVOR, THAT WHICH I WILL FREELY FAVOR, (WHOMEVER/WHATEVER I CHOSE) - ! EVEN IF THEY ARE NOT FIT IN THE CURRENT STATE/ WORTHY OF SUCH FAVOR (BAVLI BRACHOT PEREK ALEF)
וחנֹתי את אשר אחֹן - אפעלפי שאינו הגון WeHaNoTHii ETH ASHER AHON AFALPI SHeEiiNO HaGooN-
ורחמתי את אשר ארחם - אפעלפי שאינו הגון
& I WILL HAVE MERCY OVER WHOMEVER/WHATEVER I WILL HAVE MERCY- EVEN IF THEY ARE NOT FIT IN THE CURRENT STATE/ WORTHY OF SUCH FAVOR (BAVLI BRACHOT PEREK ALEF) !
All the decrees against an individual who has repented are torn up & their destiny now flips to Good. This day This most Purim like day - of joy
that fills a person with happiness- reconnecting with The Infinite- & Infinite Possibilities an entirely spiritual day-
where the Satan is disabled & disconnected from us (See 10 days Article)
& through this day we are cleansed completely