Conversation,\b(know|people|think|person|tell|feel|friends|talk|new|talking|mean|ask|understand|feelings|care|thinking|friend|relationship|realize|question|answer|saying)\b
AtHome,\b(woke|home|sleep|today|eat|tired|wake|watch|watched|dinner|ate|bed|day|house|tv|early|boring|yesterday|watching|sit)\b
Family,\b(years|family|mother|children|father|kids|parents|old|year|child|son|married|sister|dad|brother|moved|age|young|months|three|wife|living|college|four|high|five|died|six|baby|boy|spend|christmas)\b
Time,\b(friday|saturday|weekend|week|sunday|night|monday|tuesday|thursday|Wednesday|morning|tomorrow|tonight|evening|days|afternoon|weeks|hours|july|busy|meeting|hour|month|june)\b
PastActions,\b(said|asked|told|looked|walked|called|talked|wanted|kept|took|sat|gave|knew|felt|turned|stopped|saw|ran|tried|picked|left|ended)\b
Work,\b(work|working|job|trying|right|met|figure|meet|start|better|starting|try|worked|idea)\b
Games,\b(game|games|team|win|play|played|playing|won|season|beat|final|two|hit|first|video|second|run|star|third|shot|table|round|ten|chance|club|big|straight)\b
Internet,\b(site|email|page|please|website|web|post|link|check|blog|mail|information|free|send|comments|comment|using|internet|online|name|service|list|computer|add|thanks|update|message)\b
Location,\b(street|place|town|road|city|walking|trip|headed|front|car|beer|apartment|bus|area|park|building|walk|small|places|ride|driving|looking|local|sitting|drive|bar|bad|standing|floor|weather|beach|view)\b
Fun,\b(fun|im|cool|mom|summer|awesome|lol|stuff|pretty|ill|mad|funny|weird)\b
Food/Clothes,\b(food|eating|weight|lunch|water|hair|life|white|wearing|color|ice|red|fat|body|black|clothes|hot|drink|wear|blue|minutes|shirt|green|coffee|total|store|shopping)\b
Poetic,\b(eyes|heart|soul|pain|light|deep|smile|dreams|dark|hold|hands|head|hand|alone|sun|dream|mind|cold|fall|air|voice|touch|blood|feet|words|hear|rain|mouth)\b
Books/Movies,\b(book|read|reading|books|story|writing|written|movie|stories|movies|film|write|character|fact|thoughts|title|short|take|wrote)\b
Religion,\b(god|jesus|lord|church|earth|world|word|lives|power|human|believe|given|truth|thank|death|evil|own|peace|speak|bring|truly)\b
Romance,\b(forget|forever|remember|gone|true|face|spent|times|love|cry|hurt|wish|loved)\b
Swearing,\b(shit|fuck|fucking|ass|bitch|damn|hell|sucks|stupid|hate|drunk|crap|kill|guy|gay|kid|sex|crazy)\b
Politics,\b(bush|president|Iraq|kerry|war|american|political|states|america|country|government|john|national|news|state|support|issues|article|michael|bill|report|public|issue|history|party|york|law|major|act|fight|poor)\b
Music,\b(music|songs|song|band|cd|rock|listening|listen|show|favorite|radio|sound|heard|shows|sounds|amazing|dance)\b
School,\b(school|teacher|class|study|test|finish|english|students|period|paper|pass)\b
Business,\b(system|based|process|business|control|example|personal|experience|general)\b
Articles,\b(a|an|the)\b
PersonPronouns,\b(I|me|we|you|he|him|her|she|it|us|they|them)\b
AuxiliaryVerbs,\b(be|being|been|do|does|did|may|must|might|have|has|had|could|would|should|shall|will|am|are|is|was|were|can|ought|shall)\b
Conjunctions,\b(for|and|nor|but|or|yet|so)\b
Prepositions,\b(aboard|about|above|absent|across|after|against|along|alongside|amid|amidst|among|amongst|around|as|at|atop|before|behind|below|beneath|beside|besides|between|beyond|by|despite|down|during|except|following|for|from|in|inside|into|like|mid|minus|near|nearest|notwithstanding|of|off|on|onto|opposite|out|outside|over|past|since|through|throughout|till|to|towards|under|underneath|unlike|until|up|upon|via|with|within|without)\b
Det,\b(this|that|which|what|all|some|these|any|many|those|such|more|own|same|another|much|each|few|most|both|several|half|whose|little|former|whatever|less|enough|latter|either|fewer|neither)\b
Indef,\b(another|anybody|anyone|anything|each|either|everybody|everyone|everything|little|much|neither|nobody|no one|nothing|one|other|somebody|someone|something)\b
#See: "Mining the Blogosphere: Age, gender and the varieties of self-expression" by Shlomo Argamon, Moshe Koppel, James W. Pennebaker, and Jonathan Schler.
(http://www.firstmonday.org/issues/issue12_9/argamon/index.html)