There are similarities between both series if you look at these tropes:

* girl raised as a boy
* hidden gender
* chemistry beween witty female/stoic male
* from rival cities
* romcom

Both series are similar

* fast paced
* light-hearted
* set in ancient times
* food theme
* sweet romance
* an optimistic FL - grumpy ML
* loving parents

Goblin and Novoland II are similar when you look at the love story.

* in both series the adult ML rescued the FL when she was a baby
* the ML falls in love with the FL when they meet again in her adult life
* they are magically bound by fate
* the ML never ages, he is handsome but decennia older than the FL
* the ML is willing to sacrifice himself for the sake of the FL

I've Fallen For You and Dr. Cutie have similarities:
* the FL is more cute than pretty
* the FL falls first in love, later on the ML follows
* the FL hides her identity
* the ML and FL have childhood memories in which they play a role themselves without knowing this
The differences:
* Dr Cutie is a story of revenge, I've Fallen For You is a story of finding a lost love
* The girl in Dr Cutie disguises as a man, in I've Fallen For You she takes the identity of another bride
* In Dr Cutie two brothers are vying for the love of the FL, in I've Fallen For You it's a male harem

I've Fallen For You is similar to Under The Power:
* there's a character with unknown royal origin
* a secret in the past that binds the ML and FL together
* the FL works for the police, she's doing forensic research
* the ML isn't impressed by the FL in the beginning

The differences:
* Under The Power has a slow burn romance, I've Fallen For You has romance right in the early years of the leading couple
* Under The Power is much darker with a real bad ass antagonist
* The father in Under The Power has done some shameful things, the father in I've Fallen For You is honest and supportive

Chef Fang and I've Fallen For You have some similarities:
* a nice girl falls deeply in love with a roguish guy, she wins the hearts of her in-laws and later of her husband;
* the bridegroom changes for the better because of his marriage
* both have a leading character with a royal origin
* the marriage of the ML and FL isn't consumed
* the ML and FL solve mysteries together
The difference is
* In Chef Fang the girl is from noble birth, in I've Fallen For You it is the boy
* One girl is accomplished in cooking, the other in forensic research

Mu Guiying Takes Command and Oh My General are similar:

* about warrior women clashing with society rules to live the life they want
* both women have family and friends who like them just the way they are
* eventually they are recognized and honored by the emperor
* they fall in love with good looking guys who aren't interested at first
* those guys have difficulties protecting their image, their capabilities are doubted
* both couples support each other and end up fighting side by side in the army

If you like Lovely Swords Girl, you'll like Chef Fang as well, it has the same sunny vibe.

Similarities:
* unusual love story, first love
* funny leading couple
* they didn't "do" it at their wedding night
* both have caring families
* love leads to transformation

Differences:
* both male leads are sharp-witted, educated and sarcastic, but in Lovely Swords Girl the male lead changes into a sweet puppy when he looses his wits
* Chef Fang is family romcom, Lovely Swords Girl is Wuxia/action drama.

The continuing story of the first season
Forgotten and hidden identities are revealed
Other love stories included

In both series there is:
* a woman from another era
* who doesn't remember who she is
* and has never been in love before.
The romance has:
* a love triangle
* men who are fighting on opposite sites
* wuxia elements
The music in the background:
is used in both series.

Similarities:
* Rebellion
* Brothers forced/manipulated to fight on opposite sides
* Badass brother
* Smart female lead

Differences:
In Bridal Mask the eldest brother hides his resistance activities from his siblings, also there's a love triangle between both brothers and their love interest.

If you're looking for an alternative gay office romance, you may watch No Touching At All.

Similarities:
* based on a manga
* two people meeting, hooking up, falling in love, and the prejudices they must overcome
* boss/employee relationship
* age gap
* happy ending

Differences:
* Ossan's Love has funny and warm characters, in No Touching they are more prickly
* No Touching is more physical in the beginning