Words that contain 'if' and end in 'a'

How many words are possible to put together from this combination of letters?
Up to 74 words!

What is the highest scoring word you can play in Scrabble ?
For 18 points, you could play 'kneiffia'.

Is there an example word from this page of word that has 'if' in and ends with 'a' which could be considered as interesting?
Standing as the most weird word on this list is 'foraminifera'. The typical definition of 'foraminifera' is as follows: "An extensive order of rhizopods which generally have a chambered calcareous shell formed by several united zooids. Many of them have perforated walls, whence the name. Some species are covered with sand. See Rhizophoda.".

Which word on this page has the largest letter count?
The longest word is 14 characters, which is 'procyoniformia'.

Is there a word on this page that stands out as the most common?
As far as popular words go, there's 'manifesta', which is the 89129^th most popular word.