That's astonishing.
environment
That would be "ciTy". It has a T as the third letter and is the opposite of country.
"antibiotics"
totaltotedtotemtotertotestottywatersuitorbutte
intellectualmotorcyclistsatisfactionwatercoolersarticulatingcitizenshipsintercompany
third thin, thimble, tried, trip...
actsartsbathbothbytebitsbitebuttbetscotscutecatsdotsdateeatsfatefatsgatehatehatshathintojotsjetskitelatelotsletsmatsmathmitematemutenoteoathpotspetspathpitsputspatsraterotesitetoteuntovetowithzits
sentamental
Width
Rotates
Boastful
better retreat, retention, letter, matter, mate