Words misspelled or misused

Commonly misused words:

Appraise: set a value on
Apprise: inform

Continual: over and over
Continuous: without interruption

Farther: refers to physical distance
Further: used figuratively to refer to extent or degree

Fewer: of numbers
Less: of quantity

Its: possessive pronoun
It's: contraction of it and is

Principal: most important (his principal demand), a leading person or chief (school principal)
Principle: a basic belief or truth

That: heads a restrictive clause
Which: heads a descriptive clause

Their: shows a possession. For example: It is their dog
There: shows a position. For example: The door is right over there.
They're: is a contraction. For example: They're happy to be here.

Commonly misspelled words:

Acknowledgment
Advisor, not adviser
Alumnus - singular masculine
Alumna - singular feminine
Alumni - plural masculine
Alumnae - plural feminine
Note: alumni should also be used when referring to a coed group of alumni. Use alumnae for an all-female group only.
Barbecue
Busing - to transport on a bus
Bussing - to kiss
Bylaw
Campus-wide
Cancelled
CD
CDs (plural)
CD-ROM
CD-ROMs (plural)
Co-chair
Coed
Colour
Co-worker
Co-operate
Co-ordinate
Curriculum (singular), curricula (plural)
Datum (singular), data (plural)
Database
Dialogue
DVD
DVDs (plural)
DVD-ROM
DVD-ROMs (plural)
E-mail
Emeritus (singular noun)
Emeriti (plural noun)
Enrol
Enrolment
Enrolling
Enrolled
Filmmaking
Follow up (verb)
Followup (noun, adjective)
Fulfil
Fulfilled
Fulfilment
Fundraise
Fundraising
Fundraiser
Groundbreaking
Health care: two words when standing alone
Health-care: hyphenated when used as an adjective
High-tech
Home page
Honour, honours, honourable, but honorary and honorific
Interdisciplinary
Internet
Judgment
Kickoff (noun)
Kick off (verb)
Long-range
Long-term
Longtime
Modelling
Multicultural
Multimedia
Multi-year
Neighbour
On campus/off campus: when used to explain areas related to the college.
On-campus/off-campus: hyphenated when used as adjectives.
Ongoing
Online
On site: two separate words when standing alone.
On-site: hyphenated when used as an adjective.
Per cent
Post-secondary
Preventive, not preventative
RSVP
Short-term
Trailblazer
Travelling
Webcam
Website
Webmaster
Web browser
Web page
Web server