Similarly, both have great chemistry between the leads. There is murder and mystery with lots of political misuses, although 'Love is More Than a Word' is rushed towards the end due to bans so its storyline is not as fleshed out.
Both have endearing main leads with their rich and stoic counterparts who support them. Unlike 'Untamed', in 'Love is More Than a Word' the leads show their affection more openly and there is a softness that is not easily shown in many censored BL adaptations.
'Love is More Than a Word' is less sword fighting and more courtroom intrigue.

'Love is More Than a Word' crawled and got an early ending so that 'Untamed' and 'Word of Honor' could run.
Both are fun costume dramas with murder, mystery and a great deal of chemistry between the leads. Great set designs and costumes.
Similarly, 'Love is More Than a Word' is daring in showing its love and affection between the leads while making you wish there were more episodes and it actually has an uncensored ending even if the storyline was cut short.

Male leads with opposite characteristics that complement each other.
Both shows have great chemistry between the male leads as well as being able to show a soft and gentle friendship that is more romance than bromance.
The acting choices feel a bit similar too.
Good storylines that are intriguing and related to politics, murder and corruption.
Great set designs and costumes.
'Till Death Tear Us Apart' has more interesting side characters but a shorter run time (and is better appreciated after watching 'Love is More Than a Word').
The storyline of 'Killer And Healer' is more fleshed out while being a bit more common.