Few questions about my sentences

[bbmak]

1. Is this sentence grammartically correct?
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The phrase, “New and Improved” has a different function to mislead people than the weasel word, “help” does.
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the word that gets me weird is 'than'

2. also this one below, Can I add an 'adv' into an infinite? For example "to distort => to linguistically distort"
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Advertisers often use the championed weasel word, “Help” to linguistically distort ad viewers.
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one of my friends told me that the term, Championed weasel word, has problem because it is an odd phrase.
Do you understand what i mean, championed weasel word?


3. which one should I use
Marketing people are the best linguists who always play linguistic game with customers.
Marketing people are the best linguists who always play lingual game with customers.

4. Is this sentence grapmmatically correct?
Misleading people visually, the phrase “new and improved” performs a different function in the ad than the championed weasel word “help” does.

[Tdol]

1 You will see different used with from/to/than, though some grammatical purists dislike this.
2 Yes, you can, though, again, some purists say that splitting an infinitive is wrong.
3 Linguistic
4 Yes