One example of an activity with the suffix -eer is engineering. Engineering involves applying science and mathematics to design and create solutions to practical problems.
The suffix -eer denotes a person who performs a specified action or activity, often used to form agent nouns or verbs indicating someone who engages in a particular occupation or activity.
associated or engaged
Words that end with the suffix -eer include engineer, volunteer, pioneer, and cheerleader.
The suffix of the word swelling is ing. This suffix is a noun and means activity, or result of an activity.
The suffix "ling" typically denotes a small version or offspring of something, or it can indicate a connection or association with the root word. For example, a duckling is a young duck, and a underling is a subordinate.
The suffix -eer denotes a person who performs a specified action or activity, often used to form agent nouns or verbs indicating someone who engages in a particular occupation or activity.
The suffix -eer changes the noun 'election' to the verb electioneer.
associated or engaged
Words that end with the suffix -eer include engineer, volunteer, pioneer, and cheerleader.
Other than simple words (beer, career, cheer, deer, leer, queer, and sheer), the suffix form -eer is usually applied to persons (or their actions in the case of the verb "commandeer"). The root nouns or verbs establish the activity or locale for the individuals involved, e.g. "gazetteer", "mutineer" and "mountaineer". More esoteric is the science-fiction neologism "rocketeer".
Engineer, profiteer, and volunteer are the only words I've come up with. Hope this helps.
The suffix is -age. This suffix means activity or result of action.
The suffix of the word swelling is ing. This suffix is a noun and means activity, or result of an activity.
Words that have the letters -eer in them are deer, beer, and cheer. Other words that have the letters -eer in them are auctioneer and career.
The suffix 'lepsy' is from the Greek word 'leps' or 'lepsis' for seizure. Lepsy is a suffix commonly found in medical terminology regarding seizures or neuronal seizure activity.
engineer
Reindeer