P

part time, part-time — Hyphenate when used as a compound modifier.

She works part time.

She has a part-time job.

percent — one word. Use figures and spell out percent in running text. In tabular material or charts, it is acceptable to use %. Hyphenate modifying percentages.

The items were marked down by 50 percent.

There was a 5-percent increase in test scores compared with last year.

phone numbers — Separate the numbers with a hyphen and no space.

713-743-8173

plurals

Words ending in “ch,” “s,” “sh,” “ss,” “x” and “z”: add “es”
Words ending in “is”: change to “es”
Words ending in ”y” and are preceded by a consonant or “qu”: change “y” to “i” and add “es”
Words ending in “f”: change “f” to “v” and add “es” Exception: roofs
Proper nouns ending in “es,” “s” or “z”: add “es”
Single letters add: “ ‘s”
Multiple letters: add “s”

possessives

Singular proper names ending in “s”: add an apostrophe
Pronouns: no apostrophe
Descriptive phrases ending in “s”: do not add an apostrophe
Descriptive names in governmental, corporate and institutional organizations: some do and some do not use an apostrophe

Singular nouns ending in an ”s” sound such as “ce,” “x” and “z” add an apostrophe “s.” The exception: Add apostrophe only when the word ending in an “s” sound is followed by a word that begins with “s.”

postbaccalaureatenot post-baccalaureate

premier(adj.) first in position, rank or importance, foremost

premierefirst performance

presently, currently Presently means something will occur soon; currently means something is occurring now.

see currently, presently

presidentOnly capitalize if the word immediately precedes a person’s name. On second reference, use only the last name.

The president of the University of Houston made the announcement.

President Renu Khator made the announcement.

Khator made the announcement.

see academic titles

professor — Never abbreviate. Lowercase before a name, but capitalize Professor Emeritus as a conferred title before a name.


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