Modifiers matching hydrocarbon:

• floating,
• light,
• frozen,
• aromatic,
• liquifiable,
• viscous,
• volatile,
• underground,
• desirable,
• dark,
• combustible,
• linear,
• saturated,
• liquid,
• reactive,
• useful,
• simple,
• aliphatic,
• residual,
• supercritical,
• conventional,
• inert,
• unsaturated,
• carcinogenic,
• planar,
• intermediate,
• main,
• small,
• minor,
• nitrogenous,
• complex,
• lighter,
• important,
• organic,
• solid,
• regulated,
• gaseous,
• conjugated,
• polygonal,
• cheap,
• lower,
• typical,
• essential,
• particular,
• toxic,
• fluid,
• available,
• hard,
• basic,
• airborne,
• common,
• individual,
• model,
• alternative,
• refined,
• base,
• bound,
• natural,
• pure,
• acyclic,
• nonpolar,
• vaporizable,
• hydrophobic,
• dilute,
• hazardous,
• industrial,
• flammable,
• neutral,
• liquefied,
• dissolved,
• acetylenic,
• synthetic,
• greasy,
• heavier,
• commercial,
• single,
• soluble,
• valuable,
• ordinary,
• cyclic,
• clean,
• molecular,
• complicated,
• familiar,
• heavy,
• stable,
• dangerous,

Simple categories matching molecular:

• chain,
• property,
• system,
• solid,
• alcohol,
• entity,
• process,
• change,
• machine,
• approach,
• alteration,
• composition,
• gas,
• carbohydrate,
• concept,
• topology,
• chains,
• assembly,
• form,
• analysis,
• architecture,
• structure,
• measurement,
• work,
• substance,
• component,
• signal,
• shape,
• precursor,
• film,
• group,
• modification,
• track,
• compound,
• layer,
• data,
• physics,
• polymer,
• displacement,
• atmosphere,
• reorientation,
• aspect,
• machinery,
• mechanism,
• marker,
• factor,
• crystal,
• hydrocarbon,
• aggregate,
• container,
• activity,
• phosphorus,
• attribute,
• unit,
• protein,
• mixture,
• solution,
• rest,
• macromolecule,
• contaminant,
• study,
• constituent,
• event,
• information,
• device,
• skeleton,
• adaptation,
• constant,
• nutrition,
• substrate,
• reaction,
• landmark,
• fiber,
• barrier,
• gel,
• surface,
• complex,
• parameter,
• variable,
• transformation,
• characteristic,
• medium,
• size,
• technology,
• transport,
• oxygen,
• biology,
• level,
• carbon,
• discipline,
• solute,
• medicine,
• laser,
• investigation,
• state,
• adduct,
• parasite,
• condition,
• fragment,
• trap,
• material,
• liquid,
• carbonyl,
• imaging,
• food,
• repair,
• quantity,
• terms,
• formation,
• therapy,
• thing,
• scale,
• motion,
• interaction,
• movement,
• behavior,
• response,
• geometry,
• weight,
• research,
• contamination,
• cloud,
• energy,
• phenomenon,
• selectivity,
• force,
• aldehyde,
• function,
• bioscience,
• trait,
• fluid,
• evolution,
• halogen,
• solvent,
• project,
• space,
• science,
• cause,
• particle,
• feature,
• ion,
• carrier,
• line,
• hydride,
• concentration,