It is hard to understand what you mean by "neutral" words. Every word has a purpose, so it is impossible for a word to be impassive. At the very least it is redundant in a given sentence and at the most it can be virulently aggressive. You might mean "neutral" according to gender, or the neutrality of the structure that is required of a good non-fiction assignment.
GENDER
Perfect
Clever
Smart
Natural
etc.
NEUTRALITY IN WRITING
Opinion
Claims
According
etc.
yhe
Water salt
Two neutral substances would include pure water and most types of salts.
There were 5 neutral nations: Portugal, Spain, Switzerland, Sweden and Republic of Ireland.
A list of kind words
A list of words that end with ES:admiresbootiesclothesduesglasseshadesseriesyes
Affect can be described using words such as emotional, expressive, vibrant, subdued, intense, flat, dynamic, and reactive. Other terms include cheerful, melancholic, anxious, joyful, and neutral. These words capture the various emotional states and expressions associated with affect.
Some words which have the word list in them areannalistballisticballisticsblacklistblisterblisteredblisteringcannibalisticcapitalistcriminalistenlistenlistedenlistsfatalistfatalisticfinalistglistenglisteningjournalistlistenlistenedlisteninglistenslistlessminimalisticnominalistnovelistnovelistspanelistpanelistspluralistrealistrealisticstyliststylisticunrealisticvocalist
Synonym
Car and dog and house
Europe Neutral Neutrons
The best way to list words in a sentence is by using commas.