It is a word
The suffix that begins with "a" and is part of the word "circum" is "-fer." This suffix is used in words like "transfer" and "confer."
The suffix of the word circumference is "-ence".
Words ending in tious:ambitiouscontentiousfacetiousfactiousfictitiousflirtatiousfractiouspretentiousscrumptioussuperstitious
Some words ending with the suffix "shion" are "fashion," "passion," and "cushion."
I believe what you are asking for is examples of words ending with the suffix "-city" such as: velocity veracity paucity
Some words ending with the suffix "ative" include: innovative, contemplative, informative, and authoritative.
Words ending with lity:abilityagilitybrutalitycentralitycivilityformalitygeneralityfutilityneutralitypersonalitypluralityrealitysenilitystabilitytranquilityutilityvitality
Some words ending with the suffix "port" include airport, teleport, and seaport.
gonadotropic
unuasal
retardant?
scientist geologist