As adjectives the difference between completest and completist

is that completest is superlative of complete while completist is which attempts to collect something completely.

As a verb completest

is archaic second-person singular of complete lang=en.

As a noun completist is

a collector who strives to obtain a complete collection of some type of thing.

As adjectives the difference between wimpled and pimpled

is that wimpled is wearing a wimple while pimpled is having pimples; pimply.

As a verb cap

is to extend one's leg for walking; get a move on.

As a noun capt is

.

As nouns the difference between pitter and sitter

is that pitter is see pitter-patter while sitter is someone who sits, eg for a portrait.

As a verb pitter

is to make a pattering sound.

As nouns the difference between cyclopropanes and cyclopropenes

is that cyclopropanes is while cyclopropenes is .

As nouns the difference between subtopia and subtopic

is that subtopia is sprawling suburbs, collectively while subtopic is a subject that forms part of a topic.

As nouns the difference between charterer and chatterer

is that charterer is a person who charters something while chatterer is a person who chatters; a chatterbox.

As nouns the difference between tenues and tenges

is that tenues is plural of tenuis while tenges is plural of lang=en.

As an interjection pff

is an expression of annoyance or disappointment.

As an initialism eff is

.

As verbs the difference between backing and cacking

is that backing is while cacking is .

As a noun backing

is support, especially financial.

As an adjective backing

is (music) that which provides support for the main performer.